Close
Close
Browse Categories







New Titles Since Your Last Visit Sort By: 
 Title   Publisher   Price 
Moon & Earth (Moonfire Trilogy book 3)

Moon & Earth (Moonfire Trilogy book 3)


The shocking conclusion to the Moonfire Trilogy. Lana han Chevonian is one of the world’s brightest minds on the brink of making a huge discovery. There is only one problem: she is stuck as prisoner in the harem of the Aranian king. She could try to escape and run the risk of getting re-captured or getting killed on the very long and difficult road back home to Chevakia, or she could win the favour...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Sea & Sky (Moonfire Trilogy book 2)

Sea & Sky (Moonfire Trilogy book 2)


Sanity is a lone voice crying in the desert. The world is under increasing threat from as yet undiscovered sources of icefire, but all the people who have answers are cut off from the authorities, kings or councils, with the power to mobilise the scientists and armies to keep the world safe.  Young meteorology student Javes is stuck in the remote desert of the north. The area bristles with technology...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Sand & Storm (Moonfire Trilogy book 1)

Sand & Storm (Moonfire Trilogy book 1)


The entire world laid to waste. There are no second chances. The ancient machine that produced icefire was destroyed twenty years ago, but the deadly magic is again on the increase. No one understands why or where it's coming from. Massive changes in weather patterns plunge the northern half of the inhabited world in deep drought. People are once again fleeing, but nowhere is safe. King Isandor...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
The Apprentice's Path

The Apprentice's Path


Dana Bedwen never wanted to be a dark mage. It's in her blood. It's her destiny. But what is that, compared to a young woman's desire to be an Alchemist? So she is looking for a job as an Alchemist, despite the suspicion and discrimination she faces as a dark arall. She wants to build steam trains and make money, not spend time on silly, antiquated rituals. But the Universe is conspiring against her....   [click here for more]
Ellauri Press  $5.99

Add to DriveThruFiction.com Order  
Old Homicide Week…

Old Homicide Week…


It would take plenty for Harry Breen to keep cool in the face of the heat the cops turned on after that double kill. But 250-grand worth of ice can do a lot of cooling! This digital edition includes the PDF, EPUB and MOBI (Kindle) versions of the book.   ...   [click here for more]
Wildside Press  $0.99

Add to DriveThruFiction.com Order  
Prison Planet

Prison Planet


To remain on Mars meant death from agonizing space-sickness, but Earth-surgery lay days of flight away. And there was only a surface rocket in which to escape—with a traitorous Ganymedean for its pilot. This digital edition includes the PDF, EPUB and MOBI (Kindle) versions of the book.   ...   [click here for more]
Wildside Press  $0.99

Add to DriveThruFiction.com Order  
A Grave Case

A Grave Case


When the elderly widow Maureen Pettigrew is found bludgeoned to death on the grave of her late husband, the case seems clear. Maureen is the latest victim of the cemetery mugger who has been terrorising Kensal Green cemetery for several weeks now. However, the only suspect – a young man in jeans and a battered leather jacket – is a phantom no one except the cemetery caretaker has ever seen. Can...   [click here for more]
Pegasus Pulp Publishing  $0.99

Add to DriveThruFiction.com Order  
Ett Glas efter Midnatt

Ett Glas efter Midnatt


The debut fantasy novel by Gunnar Södergren: an urban fantasy that takes place in the Swedish city of Malmö. NOVEL IN SWEDISH SWEDISH DESCRIPTION: I Sverige lever och verkar Måndöttrarna – en organisation som tränar och samordnar Sveriges magiker och ser till att allmänheten förblir ovetande om deras – och det övernaturligas – existens. En sen höstkväll hittar Måndottern och mentalisten...   [click here for more]
Gunnar Södergren  Pay What You Want

Add to DriveThruFiction.com Order  
Meadowshire Free Coloring page #7

Meadowshire Free Coloring page #7


We welcome Autumn with our latest Meadowshire Fairy and her New Wand! ...   [click here for more]
Spare Change Games  Pay What You Want

Add to DriveThruFiction.com Order  
BattleTech: Shrapnel, Issue #2

BattleTech: Shrapnel, Issue #2


THE WAR RAGES ON! Shrapnel: The Official BattleTech Magazine returns with more explosive BattleMech action from the 31st century! Experience tales of hard-won survival from the gaming world of Solaris VII, the wilds of the Deep Periphery, and the annals of Clan history. Dive deep into in-depth technology articles, technical readouts, conspiracy theories, war-game and role-playing...   [click here for more]
Catalyst Game Labs  $5.99

Add to DriveThruFiction.com Order  
The Killer Wore Cranberry: A Sixth Scandalous Serving

The Killer Wore Cranberry: A Sixth Scandalous Serving


Everyone’s favorite Thanksgiving-themed mystery anthology is back for a sixth outing, celebrating not just the best in murder-most-fowl short stories (not a turkey among them) but also ten years of Untreed Reads Publishing! In addition to enjoying the holiday magic that is bumping off family members we don’t like, this year’s Killer also honors the dedication to the writing world by...   [click here for more]
Untreed Reads Publishing  $4.99

Add to DriveThruFiction.com Order  
Golden Girl

Golden Girl


It should have been a marriage made in heaven. Cheviot was aristocratic and gorgeous—a man tempered by his father’s downfall and his own experiences at war. Sarah was artistic and free-thinking, shaped by the best education her nouveau riche grandfather could afford. But there was one problem. The marriage was arranged. The Duke of Cheviot needed money. Sarah’s grandfather wanted a title. And...   [click here for more]
Untreed Reads Publishing  $4.99

Add to DriveThruFiction.com Order  
The Dragon King (Dragonspeaker Chronicles Book 3)

The Dragon King (Dragonspeaker Chronicles Book 3)


Take an adolescent boy. Make him angry. Add dragons. Saving Prince Bruno from the church crypts hasn't turned out the way Nellie had planned. The boy is morose, angry, hellbent on revenge, and incapable of wielding the power he has been given. But the group of refugees who have fled from the city have bigger concerns. It's winter, they need to survive, and find a safe place to recover and plan their...   [click here for more]
Capricornica Publications  $4.99

Add to DriveThruFiction.com Order  
The Wizard Priest (Dragonspeaker Chronicles Book 2)

The Wizard Priest (Dragonspeaker Chronicles Book 2)


A young prince, an evil wizard, and a city that no longer seems to care. Cast out from the palace, Nellie survives in the streets of Saardam with the poor and destitute and a dragon whose behaviour she can't control, but is the key to finding the last member of the royal family. The pompous Regent is hell-bent on finding the person who has killed his court advisor and he has decided the dragon is...   [click here for more]
Capricornica Publications  $4.99

Add to DriveThruFiction.com Order  
The Bastard Prince (Dragonspeaker Chronicles Book 1)

The Bastard Prince (Dragonspeaker Chronicles Book 1)


She has a dragon, and she’s not afraid to use it. Nellie Dreessen is a kitchen maid in the palace of Regent Bernard of Saardam. She has worked for two kings and two regents, has seen two royal families murdered through magic, has seen ghosts and demons, and kept her head down like a good girl. On her fiftieth birthday, she receives her late father’s diary, which describes a magical item that...   [click here for more]
Capricornica Publications  $4.99

Add to DriveThruFiction.com Order  
Juno Rising (ISF-Allion)

Juno Rising (ISF-Allion)


A prisoner, a secret he can't remember, and the military force that will destroy planets to get their hands on it. When Fabio Velazquez arrives on the secretive military base on Jupiter's moon Io, he knows two things: one, that he's had his memories erased and two, that he has a secret. Except because of point one, he can't remember what point two is. The portents aren't good: he's hated by his fellow...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Shifting Infinity (ISF-Allion)

Shifting Infinity (ISF-Allion)


Melati escaped New Jakarta space station when it fell into Allion's hands. Her family was left behind the enemy lines. She signed up for active duty with the International Space Force in the hope they would liberate the station. Instead, they chose to maintain a crippling siege that has lasted for ten months. A small ship escapes from the station with on board a single male occupant whose mind appears...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
The Necromancer's Daughter (Ghostspeaker Chronicles Book 6)

The Necromancer's Daughter (Ghostspeaker Chronicles Book 6)


Queen Johanna's position in Saardam is fragile. The Barons and Kings of the countries in the hinterland are not happy that she helped the royal family to survive and is now about to ensure the next generation. They vow to teach this little upstart country a lesson for once and for all. Of course it is not so much about petty rivalry, but about access to the sea port that connects the hinterland with...   [click here for more]
Capricornica Publications  $3.99

Add to DriveThruFiction.com Order  
The Dragon Prince (Ghostspeaker Chronicles Book 5)

The Dragon Prince (Ghostspeaker Chronicles Book 5)


The tyrant Alexandre is gone from Saardam, but a new menace has come: the eastern traders in a ship of metal that is said to have been forged with dragon magic. They bring a chest of gold to buy an office in the city. The people don't want them in their town. The Church of the Triune, which forbids magic, has increased its hold on the population, despite the Red Baron's efforts to stamp it out. Newly-crowned...   [click here for more]
Capricornica Publications  $3.99

Add to DriveThruFiction.com Order  
Fire Wizard (Ghostspeaker Chronicles Book 4)

Fire Wizard (Ghostspeaker Chronicles Book 4)


Johanna, Roald, Nellie and Loesie return undercover to the devastated city of Saardam. In the months since they fled, the Fire Wizard Alexandre has ruled the town with campaigns of death and fear, focused on the eradication of the Church of the Triune, the former state church of Saarland that doesn't allow magic and that is more popular with the common people than with nobles. Johanna meets up with...   [click here for more]
Capricornica Publications  $3.99

Add to DriveThruFiction.com Order  
Ambassador 10: Lost Forest Secrets

Ambassador 10: Lost Forest Secrets


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  It is the sign of a great story teller when an intricate political landscape can be seamlessly woven into your brain without you ever noticing. I was well and truly hooked. The hierarchies and customs of various alien races are understandably complex but not too...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Ambassador 9: Red Crystal Desert

Ambassador 9: Red Crystal Desert


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  It is the sign of a great story teller when an intricate political landscape can be seamlessly woven into your brain without you ever noticing. I was well and truly hooked. The hierarchies and customs of various alien races are understandably complex but not too...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Ambassador 8: The Alabaster Army

Ambassador 8: The Alabaster Army


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  It is the sign of a great story teller when an intricate political landscape can be seamlessly woven into your brain without you ever noticing. I was well and truly hooked. The hierarchies and customs of various alien races are understandably complex but not too...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
King's Justice

King's Justice


In the year of the forked serpent, Kurval came from beyond the sea, slew King Orkol and became King of Azakoria. But Kurval’s reign is not an easy one. The people of Azakoria despise him as an uncouth barbarian, the nobles plot against him and assassination attempts are a frequent occurrence. One day, a hooded assassin tries to stab Kurval during an audience. Kurval is shocked, when the assassin...   [click here for more]
Pegasus Pulp Publishing  $0.99

Add to DriveThruFiction.com Order  
Ambassador 6: The Enemy Within

Ambassador 6: The Enemy Within


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  It is the sign of a great story teller when an intricate political landscape can be seamlessly woven into your brain without you ever noticing. I was well and truly hooked. The hierarchies and customs of various alien races are understandably complex but not too...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Ambassador 5: Blue Diamond Sky

Ambassador 5: Blue Diamond Sky


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  It is the sign of a great story teller when an intricate political landscape can be seamlessly woven into your brain without you ever noticing. I was well and truly hooked. The hierarchies and customs of various alien races are understandably complex but not too...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
Ambassador 7: The Last Frontier

Ambassador 7: The Last Frontier


A Matt Damon political thriller meets Total Recall action with Avatar otherworldliness. --Ditmar Award winning author Zena Shapter  Never has there been more at stake for the people on Earth. The referendum question is simple: does Earth join gamra, the organisation that governs the Exchange, the FTL space travel network? While a “yes” vote would mean big changes, a “no” vote would...   [click here for more]
Capricornica Publications  $5.99

Add to DriveThruFiction.com Order  
When the Ferris Wheel Lights are Dead

When the Ferris Wheel Lights are Dead


One traumatic night changed it all. One night changed Kember's life forver, forcing her to spend years adapting to the forest surrounding her family's destroyed carnival. Kember is reintroduced to society as an adult, determined to find out what happened the night of her father's murder. Little does she know, she will have both human and supernatural aid on her quest to discover the truth. As a familiar...   [click here for more]
Dark Gatekeeper Gaming  $2.99

Add to DriveThruFiction.com Order  
Wind Rider (Future Earth Chronicles Book 9)

Wind Rider (Future Earth Chronicles Book 9)


:lang="en-us">Azur left the Siberian Rainbow Town with the wanderers, as an interpreter and secondary hacker who joined the Rainbow Town Freedom Team out of curiosity, then the Rainbow Towns Band after the aliens' defeat. :lang="en-us">The band's World Tour is over and Azur wants to go home, as do Toby and Gaia. From Paris to Siberia by steam-train, they reach his hometown where they start building...   [click here for more]
Unicorn Productions  $4.99

Add to DriveThruFiction.com Order  
Calico Kids

Calico Kids


One summer became the adventure of a lifetime. Summer, 1982. When two local teens go missing from the riverside town of Calico, Oregon, it falls to a middle school nerd steeped in wild conspiracy theories to investigate. With a posse consisting of a busboy, a delinquent, an L.A. transplant, and a cheerleader, A.J. sets out to prove that a Satanic cult is behind the disappearances,...   [click here for more]
Deep7  $2.99

Add to DriveThruFiction.com Order  
The Viking's Skull

The Viking's Skull


A runic inscription on a Norse altar ring. A falsely convicted father serving a life sentence. A son determined to clear his father's name at any cost. A classic mystery. This digital edition includes the PDF, EPUB and MOBI (Kindle) versions of the book.   ...   [click here for more]
Wildside Press  $0.99

Add to DriveThruFiction.com Order  
The Florentine Dagger: A Novel for Amateur Detectives

The Florentine Dagger: A Novel for Amateur Detectives


This Golden Age mystery novel features a nervous cavalier with frightened eyes, a mysterious and puritanical satyr, a dagger, a candlestick, a crucifix, and a false beard—and, of course, a detective! (Not to mention the protagonist, "Prince Julien de Medici -- of Broadway.") Adapted into the movie of the same name in 1935. This digital edition includes the PDF, EPUB and MOBI (Kindle) versions...   [click here for more]
Wildside Press  $0.99

Add to DriveThruFiction.com Order  
The Horned Scarab

The Horned Scarab


Arn knows better than to get embroiled with the city's crime lords, but when a monk turns up dead and a panicked old friend fears for his life, Arn has no choice but to set things right. He'll get dragged deep into Ghorad-Gha's underbelly, where the biggest, baddest crime boss reigns, The Horned Scarab. Ghorad-Gha, once magnificent city of clay and bronze, crumbles. Those prosperous few burden the...   [click here for more]
Matthew Marchitto  $2.99

Add to DriveThruFiction.com Order  
Ex-Lumine Short Story: The Limbo

Ex-Lumine Short Story: The Limbo


This is the first short story delving deep into Terminus, the world of Ex-Lumine. Ex-Lumine is a Grimdark, Post-Apocalyptic tabletop RPG with Dieselpunk influences. Ex-Lumine is set in Terminus, a world poisoned by a dark fog known as Corruption. Plants wither, the earth itself decays and grotesque abominations known as Tenebris lurk in the shadows, preying on those...   [click here for more]
Ex-LumineRPG   FREE 

Buy Now  
Terran Trade Authority Spacecraft 2000 - 2100 AD

Terran Trade Authority Spacecraft 2000 - 2100 AD


No one would have believed, in the closing years of the 1970’s, that science fiction was to experience a boom that would last through to the present day. The summer blockbuster had only just been invented. There was only one Star Wars movie. The voyage of the Battlestar Galactica had only just begun, and Buck Rogers had yet to conquer television. But between the pages of the Terran Trade Authority...   [click here for more]
Battlefield Press  $20.00

Add to DriveThruFiction.com Order  
Project A.N.E.W

Project A.N.E.W


'That woman is a construct of custom-coded DNA, printed to our designs, and programmed with our memories. Nothing more than a biologically based computer.... 'My thoughts are no more than programming, too. The only difference is that I am a random amalgamation of genetics, whereas you were created to be exactly the way you are.' Then she smiles to herself, turns, and touches the woman gently on her...   [click here for more]
Anastasia Swift  Pay What You Want

Add to DriveThruFiction.com Order  
In the Empire of Underpants and Other Stories

In the Empire of Underpants and Other Stories


Imagine a world without humans, where smart clothes equipped with apparel intelligence fight for supremacy. When a brave pair of smart-briefs sets out on a quest to cure his people's madness, he ends up in the middle of an all-out wardrobe war instead. That's just one of the incredible science fiction stories featured in this collection by USA Today bestselling author Robert Jeschonek....   [click here for more]
Pie Press  $4.99

Add to DriveThruFiction.com Order  
Kiss of the Acolyte

Kiss of the Acolyte


In a world where the art of seduction means everything, Tiki Jordan faces the ultimate test. As an acolyte in the Rites of Dawn, she must fulfill the desires of the man who holds the key to her future. But when strange visions of a mysterious woman threaten Tiki's quest, she unlocks the true meaning of passion and pain. Mature readers only. ...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
Rediscovery: Science Fiction by Women (1958-1963)

Rediscovery: Science Fiction by Women (1958-1963)


The Silver Age of Science Fiction saw a wealth of compelling speculative tales — and women authors wrote some of the best of the best. Yet the stories of this era, especially those by women, have been largely unreprinted, unrepresented, and unremembered. Until now. Volume one of REDISCOVERY represents a historic first: fourteen selections of the best science fiction of the Silver Age, written by...   [click here for more]
Journey Press  Pay What You Want

Add to DriveThruFiction.com Order  
Ballad of the Groupie Everlasting

Ballad of the Groupie Everlasting


Terpsichore the muse has a thing for musicians. Her passion breathes life into the careers of stars from the Pied Piper of Hamelin to a modern-day guitar hero. But when the latest in her long line of superstar finds flames out, Terpsichore must tap her own inner wild child for inspiration. Can she rock the spotlight on her own? Will the everlasting groupie step up to become America's idol, or will...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
Backtracker

Backtracker


Meet the ultimate serial killer. The Miraclemaker comes and goes like a ghost in the night, taking lives by the score as if he were Death himself. The streets run red with the blood of his victims. Only one man knows he exists, one man who loses everyone he ever cared about, one by one, to the hands of the killer. This man, Dave Heinrich, sets out on a desperate hunt to stop the Miraclemaker at any...   [click here for more]
Pie Press  $4.99

Add to DriveThruFiction.com Order  
Trek Fail!

Trek Fail!


A non-fiction book about an award-winning Star Trek author's true-life Trek experiences. Remember the Star Trek novel that tells the story of Redjac's eternal battle with immortal Flint? What about the comic book story that takes Pavel Chekov to the Soviet planet Soyuz II, where he meets the ghost of Yuri Gagarin? Did you see the episode of Voyager in which Tuvok faces pon farr while the crew battles...   [click here for more]
Pie Press  $3.99

Add to DriveThruFiction.com Order  
And the Unicorn You Rode in On

And the Unicorn You Rode in On


An elf cowboy on a fool’s errand to the Old West town of Desperation, Arizona hunts a faerie bandit queen with a powerful relic in her clutches...but his unicorn steed faces the greater test. The one-horned magical stallion pursues the runaway love of his life, a chase that pits him against brutal men and beasts alike. What he finds at the end of the trail will change his fate and that of the Wild...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
A Spice Most Demanding

A Spice Most Demanding


Most guests at The Unicorn's Egg in downtown Philadelphia come seeking shots of magic—just one more belt to satisfy their addictions to spells and sorcery. Newcomer Oliver Box breaks the mold, though, coming to the pub to help others—bringing old-timers to warlock bartender Homan Teatree to restore ruined memories in minds burned by dementia. But when those memories connect to each other and an...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
A Pinstriped Finger's My Only Friend

A Pinstriped Finger's My Only Friend


Judd the popular 17-year-old jock has it all figured out. He's the star of his school, the top of the heap...but then the world starts changing around him and won't stop. Without explanation, everyone turns into purple furries...then gas-blasting puffballs...then neurotic lizards. Every time Judd falls asleep, he wakes up in a new and crazier world--a world of godlike super-teens, teenage serial killers,...   [click here for more]
Pie Press  $4.99

Add to DriveThruFiction.com Order  
A Matter of Size

A Matter of Size


Who is killing the world's smallest super-heroes? Down-on-his-luck masked avenger Man-Child takes the case, but can he save the remaining Small Wonders from a killer with a twisted crush fetish? Man-Child takes on villainous Mammon and Stigmata without missing a beat, but his own dark secret might be enough to bring him down for good. Fighting through the shadows and gutters, Man-Child confronts the...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
A Glosser's Christmas Love Story

A Glosser's Christmas Love Story


With her fiancé far away fighting a war in Korea, Sarah faces a blue Christmas in Johnstown, Pennsylvania in 1953. But going to work as an elf at Glosser’s Department Store turns her holiday upside-down. Santa Claus, played by fellow employee Frank, falls beard over sleighbells for her. When the magic of the season at Glosser’s lights a spark of romance between them, Sarah is torn between the...   [click here for more]
Pie Press  $2.99

Add to DriveThruFiction.com Order  
A Grain From A Balance: A Trek Screenplay

A Grain From A Balance: A Trek Screenplay


Once upon a galaxy, a spaced-out writer launched a script for a starry TV episode set in a universe much like a certain trek we know and love. Here, for the first time, you can experience this adventure of the next generation of trekkers. The names are new, but you might recognize the drama and excitement of an epic encounter aboard the star cruiser Infinitude on the final frontier. When alien lifeforms...   [click here for more]
Pie Press  $3.99

Add to DriveThruFiction.com Order  
Snowman's Chance in Hell-The Foolproof Cure for Cancer

Snowman's Chance in Hell-The Foolproof Cure for Cancer


Welcome to the icy land of Drift, where flesh falls from the sky like snow, and snow-people build men of meat the way we build snowmen. Champion meat-man builder Wink creates a masterpiece that comes to life like Frosty the Snowman made of meat. But instead of frolicking through the streets like Frosty, this magical newborn meat-man calls himself Hurt and proceeds to live up to his name. Armed with...   [click here for more]
Pie Press  $0.99

Add to DriveThruFiction.com Order  
Shadowrun Legends: Changeling

Shadowrun Legends: Changeling


OUT ON THE STREETS… By 2053, the return of magic to the world has filled the streets of Chicago with beings and creatures from mythology. For those in the politically dominant mega-corporations, the underworld, and everywhere in between, it is a time of chaos and wonder—and incredible opportunities ripe for the taking. For fifteen-year-old Peter Clarris, transformed by his Awakened...   [click here for more]
Catalyst Game Labs  $4.99

Add to DriveThruFiction.com Order  
Displaying 1 to 50 (of 134 items) Result Pages:  1  2  3  [Next >>] 
Select Page Number