Available For Sale Now (2,444)

Bestsellers (6)

Coming Soon (5)

Deals (22)

New Releases (18)

Adventure (1,468)

Alien Contact (702)

Apocalyptic & Post-Apocalyptic (65)

General (1,246)

Genetic Engineering (23)

High Tech (109)

Military (830)

Short Stories (83)

Space Opera (577)

Time Travel (63)

Eric Flint (61)

David Weber (50)

Peter David (39)

Dayton Ward (31)

Robert F. Young (28)

A Bengal Station Novel (3)

A Blud Novel (2)

A Task Force OMBRA Novel (3)

Alien Voices (2)

An Alex Benedict Novel (1)

An Evvie Duchen Adventure (2)

Apocalypse Recon (1)

Ascent to Empire (1)

Assiti Shards (5)

BAEN (4)

Belisarius (1)

Bestselling Fiction (1)

Beyond and Within (1)

Bitch Planet (1)

Black Tide Rising (12)

Blackcollar (1)

Bolo (1)

Boundary (4)

Build-A-Dragon Sequence (2)

Caine Riordan (1)

Caineverse (4)

Carrera (4)

Chaplain's War (1)

Childe Cycle (10)

Citizen (1)

Cobra (3)

Complete Christopher Anvil (1)

Coronam (3)

Cosmic (3)

Council Wars (2)

Crown of Slaves (3)

Deadly Class (2)

Defenders of Time (2)

Descender (1)

Disenchanted & Co. (2)

Doom (2)

Eccentric Orbits (2)

Elfhome (3)

Endless Blue (1)

Enriched Classics (2)

Epic Failure Trilogy (2)

Essential Gothic, SF & Dark Fantasy (4)

Extinction Biome (1)

Foundations of Black Science Fiction (1)

Foundations of Feminist Fiction (1)

Freehold (4)

Fury Series (2)

General (Drake) (1)

Giants (2)

Godkiller (1)

Gordian Division (5)

Gothic Fantasy (10)

Halo (6)

Heaven's Gate (2)

Heirs of Alexandria (1)

Helix (1)

Hellboy (4)

Heorot Series (3)

Honor Harrington (13)

Horus Heresy (4)

Human-Posleen War series (1)

Indrajit & Fix (2)

Interstellar Patrol (1)

Invaders From Beyond! (1)

Janissaries (1)

Jao Empire (1)

Jason Thanou (1)

Jon & Lobo (5)

Judge Anderson: The Early Years (1)

Judge Dredd: The Early Years (2)

Junction (2)

Keiko (3)

Lady Mechanika (1)

Last Judgement's Fire (1)

Leather-bound Classics (2)

Legacy of Aldenata (1)

Liaden Universe® (22)

Looking Glass (3)

Lt. Leary (4)

Major Bhaajan (4)

Man-Kzin Wars (2)

Manticore Ascendant (4)

Multiverse Series (2)

Multiverse Wars (1)

Myriad Worlds (1)

New World (1)

Nightlife (1)

Orion's Arm (1)

Orphan's Legacy (1)

Pax Britannia: El Sombra (1)

Posleen War (5)

Privateer Andromeda (1)

Prologue Books (28)

Prologue Science Fiction (24)

Pyramid (Flint) (1)

Queendom of Sol (3)

RCN (7)

Reclaimed Earth (3)

Rich Man's Sky (2)

Ring of Fire (17)

Roswell High (1)

Russell Walker (1)

Science Fiction Bestseller (1)

Secret World Chronicle (2)

Serenity (1)

Seven to Eternity (1)

Shattered Star Legacy (1)

Shieldrunner Pirates (1)

Siren Warrior (3)

Skolian Empire (2)

Slave Trade Trilogy (2)

Space Opera, The (1)

Star Trek (63)

Star Trek: Deep Space Nine (71)

Star Trek: Enterprise (18)

Star Trek: Prey (1)

Star Trek: Starfleet Corps of Engineers (78)

Star Trek: The Next Generation (179)

Star Trek: The Original Series (186)

Star Trek: Voyager (44)

Starcraft (3)

Starfire (7)

Sunrise Alley (1)

Survivor Planet (1)

Tau Ceti Agenda (6)

Technic Civilization (6)

Temporal Displacement (1)

The Academy (1)

The Afterblight Chronicles (3)

The Billion Worlds (2)

The Capian Shifter Series (1)

The Chronicles of the Invaders (3)

The Ever-Expanding Universe (2)

The Fire Sermon (1)

The Fractal Series (3)

The Fractal Series (Episodes) (6)

The Future History series (1)

The Honor Harrington (1)

The Horus Heresy (22)

The Horus Heresy: Siege of Terra (4)

The Icarus Corps (3)

The Icarus Saga (4)

The Infinity Project (3)

The Machineries of Empire (2)

The Monarchies of God (1)

The Multiplicity Series (1)

The Noise Revealed (2)

The Owl Series (3)

The Pantheon Series (3)

The Persona Sequence (1)

The Prince Roger series (1)

The Pulse Trilogy (3)

The Red Trilogy (3)

The Remembrance War (3)

The Ring of Fire (23)

The Saga of the Steampunk Witches (1)

The Saganami Island (3)

The Undying Series (2)

Time of Heroes (2)

TransDimensional Hunter (2)

Troy Rising (1)

Unabridged Start Classics (9)

Unabridged Start Publishing LLC (22)

Under Jurisdiction (1)

Unearthly World (2)

Unexpurgated Start Publishing LLC (1)

Vagrant Queen (2)

Vickery and Castine (1)

Viking Mermen (1)

Von Neuman (1)

Vorkosigan Saga (5)

Warhammer 40,000 (2)

Warp Speed (1)

Wasted Space (5)

Weird Space (4)

Weird World War (2)

White Space (3)

Witches of Karres (2)

Word Cloud Classics (2)

Worlds of Honor (Weber) (7)

ALA Quick Picks Nominee (1)

ALA Alex Award (1)

ALA Rainbow List Selection (1)

New York Public Library Best Books for Adults (1)

Eliot Rosewater Indiana High School Book Award Nominee (1)

eBook (1,824)

Mass Market Paperback (608)

Trade Paperback (60)

Audio Books (25)

Paperback (19)

Baby - Age 3 (1)

Age 4 - 8 (4)

Age 9 - 11 (5)

Age 12 and Up (24)

3rd Grade (1)

4th Grade (2)

5th Grade (1)

6th Grade (1)

7th Grade (1)

Pocket Books/Star Trek (627)

Start Publishing LLC (559)

Baen (466)

Start Classics (308)

Prologue Books (55)