Science Fiction

Like what you're reading? Join the club.
Join the Centsless Book Club to get free books, exclusive content, and more in your inbox every Monday, Wednesday, and Friday. Subscribe, and you'll never miss another freebie or gift card giveaway again. Oh, and it's free.
  1. Check it Out! Plague Wars: Infection Day: The First Trilogy: Three apocalyptic sci-fi technothriller adventures (Plague Wars Series Book 12)
    Plague Wars: Infection Day: The First Trilogy: Three apocalyptic sci-fi technothriller adventures (Plague Wars Series Book 12)
  2. Check it Out! The Back Door Man
    The Back Door Man
  3. Check it Out! Bad Luck Charlie: The Dragon Mage Book 1
    Bad Luck Charlie: The Dragon Mage Book 1
  4. Check it Out! Then... (Timewalker Book 2)
    Then... (Timewalker Book 2)
  5. Check it Out! Lux Desecrata
    Lux Desecrata
  6. Check it Out! They Came With The Snow - Part One : A Short Science Fiction Horror Post-Apocalyptic Survival Thriller (They Came With The Snow Book 1)
    They Came With The Snow - Part One : A Short Science Fiction Horror Post-Apocalyptic Survival Thriller (They Came With The Snow Book 1)
  7. Check it Out! Brownstone: A Jack Elliot Thriller (The Jack Elliot Thriller Series Book 1)
    Brownstone: A Jack Elliot Thriller (The Jack Elliot Thriller Series Book 1)
  8. Check it Out! Breaking Gravity
    Breaking Gravity
  9. Check it Out! Last Escape (Transforming Darkness Book 1)
    Last Escape (Transforming Darkness Book 1)
  10. Check it Out! DISRUPTIVE SHOCK: An EMP Survival story (DISRUPTIVE SHOCK Book 1)
    DISRUPTIVE SHOCK: An EMP Survival story (DISRUPTIVE SHOCK Book 1)
  11. Check it Out! Encounters with Demons: Urban Fantasy Romance (The Brotherhood of the Beloved Book 1)
    Encounters with Demons: Urban Fantasy Romance (The Brotherhood of the Beloved Book 1)
  12. Check it Out! The Girl Who Sees (Sasha Urban Series Book 1)
    The Girl Who Sees (Sasha Urban Series Book 1)
  13. Check it Out! Ascension Saga: 1 (Interstellar Brides®: Ascension Saga)
    Ascension Saga: 1 (Interstellar Brides®: Ascension Saga)
  14. Check it Out! Heir of Ashes (The Roxanne Fosch Files Book 1)
    Heir of Ashes (The Roxanne Fosch Files Book 1)
  15. Check it Out! Anthem
    Anthem
  16. Check it Out! The Robespierre Conspiracy: Book One
    The Robespierre Conspiracy: Book One
  17. Check it Out! Conguise Chronicles: The Rise of the River-Man: An exciting horror action adventure
    Conguise Chronicles: The Rise of the River-Man: An exciting horror action adventure
  18. Check it Out! The Prisoner of Zenda: Dystopian Novel
    The Prisoner of Zenda: Dystopian Novel
  19. Check it Out! The Dragon Blood Collection, Books 1-3
    The Dragon Blood Collection, Books 1-3
  20. Check it Out! Lover in Hell: A Post-Apocalyptic Paranormal Romance
    Lover in Hell: A Post-Apocalyptic Paranormal Romance
  21. Check it Out! Ten Tales of Terror and Terra
    Ten Tales of Terror and Terra
  22. Check it Out! Archangel Down: Archangel Project. Book One
    Archangel Down: Archangel Project. Book One
  23. Check it Out! The Last Firewall (Singularity Series Book 3)
    The Last Firewall (Singularity Series Book 3)
  24. Check it Out! Polar Bear Dawn: A Detective Bernadette Callahan Mystery (Detective Bernadette Callahan of the Royal Canadian Mounted Police Book 1)
    Polar Bear Dawn: A Detective Bernadette Callahan Mystery (Detective Bernadette Callahan of the Royal Canadian Mounted Police Book 1)
  25. Check it Out! The Wife Lottery: Fallon (Six Men of Alaska Book 1)
    The Wife Lottery: Fallon (Six Men of Alaska Book 1)
  26. Check it Out! Broken World: A Post-Apocalyptic Zombie Novel
    Broken World: A Post-Apocalyptic Zombie Novel
  27. Check it Out! Mastered by Her Mates (Interstellar Brides Book 6)
    Mastered by Her Mates (Interstellar Brides Book 6)
  28. Check it Out! The Cloud Seeders
    The Cloud Seeders
  29. Check it Out! Of Lords and Commoners: Book One (Lords and Commoners Series 1)
    Of Lords and Commoners: Book One (Lords and Commoners Series 1)
  30. Check it Out! Bond: Stargazer Alien Mail Order Brides #1 (Intergalactic Dating Agency)
    Bond: Stargazer Alien Mail Order Brides #1 (Intergalactic Dating Agency)
  31. Check it Out! Elysia
    Elysia
  32. Check it Out! Transmission (The Invasion Chronicles—Book One): A Science Fiction Thriller
    Transmission (The Invasion Chronicles—Book One): A Science Fiction Thriller
  33. Check it Out! Geeks Against Zombies
    Geeks Against Zombies
  34. Check it Out! The Game Called Revolution (Infini Calendar Book 1)
    The Game Called Revolution (Infini Calendar Book 1)
  35. Check it Out! Where the Strangers Live
    Where the Strangers Live
  36. Check it Out! Chromed: Upgrade: A Cyberpunk Adventure Epic (Future Forfeit Book 1)
    Chromed: Upgrade: A Cyberpunk Adventure Epic (Future Forfeit Book 1)
  37. Check it Out! Sanguis City
    Sanguis City
  38. Check it Out! Breaking the Toy
    Breaking the Toy
  39. Check it Out! Rogue Stars: 7 Novels of Space Exploration and Adventure
    Rogue Stars: 7 Novels of Space Exploration and Adventure
  40. Check it Out! End Point: Military Science Fiction
    End Point: Military Science Fiction
  41. Check it Out! Diary of a Zombie Survivor
    Diary of a Zombie Survivor
  42. Check it Out! 2nd Sight: Capturing Insight
    2nd Sight: Capturing Insight
  43. Check it Out! Galactic Empires: Seven Novels of Deep Space Adventure
    Galactic Empires: Seven Novels of Deep Space Adventure
  44. Check it Out! Qualify (The Atlantis Grail Book 1)
    Qualify (The Atlantis Grail Book 1)
  45. Check it Out! Mosaic Chronicles Books 1-4 (Mosaic Chronicles Box Sets Book 1)
    Mosaic Chronicles Books 1-4 (Mosaic Chronicles Box Sets Book 1)
  46. Check it Out! Paax: Warlord Brides (Warriors of Sangrin Book 1)
    Paax: Warlord Brides (Warriors of Sangrin Book 1)
  47. Check it Out! The Breakers Series: Books 1-3
    The Breakers Series: Books 1-3
  48. Check it Out! The Supreme God of Martial Arts 3: When The Strong Gather
    The Supreme God of Martial Arts 3: When The Strong Gather
  49. Check it Out! The Survivors (Life After War Book 1)
    The Survivors (Life After War Book 1)
  50. Check it Out! The Blood Series Boxed Set (Books 1-3): New Adult Dark Vampire Romance
    The Blood Series Boxed Set (Books 1-3): New Adult Dark Vampire Romance
  51. Check it Out! First of Their Kind (Chronicles of Theren Book 1)
    First of Their Kind (Chronicles of Theren Book 1)
  52. Check it Out! First Touch: A Paranormal Suspense Story (Imprints Book 0)
    First Touch: A Paranormal Suspense Story (Imprints Book 0)
  53. Check it Out! Rupert of Hentzau: Dystopian Novel
    Rupert of Hentzau: Dystopian Novel
  54. Check it Out! Breakers of the Dawn (Dawn Saga Book 1)
    Breakers of the Dawn (Dawn Saga Book 1)
  55. Check it Out! Star Crossed: Sci-Fi Alien Romance (Harem Station Book 2)
    Star Crossed: Sci-Fi Alien Romance (Harem Station Book 2)
  56. Check it Out! Empty Bodies: A Post-Apocalyptic Tale of Dystopian Survival (Empty Bodies Series Book 1)
    Empty Bodies: A Post-Apocalyptic Tale of Dystopian Survival (Empty Bodies Series Book 1)
  57. Check it Out! Everything Dies: Season One
    Everything Dies: Season One
  58. Check it Out! Lady of Devices: A steampunk adventure novel (Magnificent Devices Book 1)
    Lady of Devices: A steampunk adventure novel (Magnificent Devices Book 1)
  59. Check it Out! Crossing In Time: An Edgy Sci-Fi Love Story (Between Two Evils Book 1)
    Crossing In Time: An Edgy Sci-Fi Love Story (Between Two Evils Book 1)
  60. Check it Out! Claire
    Claire
  61. Check it Out! Dark Thoughts (Refuge Book 1)
    Dark Thoughts (Refuge Book 1)
  62. Check it Out! Reverence
    Reverence
  63. Check it Out! Earth Rising (Splashdown Book 2)
    Earth Rising (Splashdown Book 2)
  64. Check it Out! Polar Destiny: A Bear Shifter Romance (Claiming Her Bears Book 1)
    Polar Destiny: A Bear Shifter Romance (Claiming Her Bears Book 1)
  65. Check it Out! Sevan: Paranormal Shifter Fated Mate Galactic SciFi Military Romance (Interstellar Alphas Book 1)
    Sevan: Paranormal Shifter Fated Mate Galactic SciFi Military Romance (Interstellar Alphas Book 1)
  66. Check it Out! Timelines: Two First-In-Series Novels (Out of Time & Jacks Are Wild)
    Timelines: Two First-In-Series Novels (Out of Time & Jacks Are Wild)
  67. Check it Out! THE ROOKIE (Galactic Football League Book 1)
    THE ROOKIE (Galactic Football League Book 1)
  68. Check it Out! Girl from the Stars Book 1- Daybreak
    Girl from the Stars Book 1- Daybreak
  69. Check it Out! Back to the Stone Age
    Back to the Stone Age
  70. Check it Out! Escape from Ixilta (Alien Outlaws Book 1)
    Escape from Ixilta (Alien Outlaws Book 1)
  71. Check it Out! Surviving The Evacuation, Book 1: London
    Surviving The Evacuation, Book 1: London
  72. Check it Out! The Emperor's Edge
    The Emperor's Edge
  73. Check it Out! Angel Of The City
    Angel Of The City
  74. Check it Out! The 28th Gate: Volume 1
    The 28th Gate: Volume 1
  75. Check it Out! Earthweeds (Sons of Neptune Book 1)
    Earthweeds (Sons of Neptune Book 1)
  76. Check it Out! The Aliomenti Saga Box Set (Books 1-3)
    The Aliomenti Saga Box Set (Books 1-3)
  77. Check it Out! Into the End
    Into the End
  78. Check it Out! The Ravagers Box Set: Episodes 1-3
    The Ravagers Box Set: Episodes 1-3
  79. Check it Out! Hell Week: A Post-Apocalyptic Survival Thriller (America Falls Book 1)
    Hell Week: A Post-Apocalyptic Survival Thriller (America Falls Book 1)
  80. Check it Out! Cullen McGregor's Last Hunt: The Haunted Mountain Man: A post-apocalyptic mountain man tale that takes place after a nuclear fallout in the West Virginia mountains
    Cullen McGregor's Last Hunt: The Haunted Mountain Man: A post-apocalyptic mountain man tale that takes place after a nuclear fallout in the West Virginia mountains
  81. Check it Out! Their Zandian Mate: An Alien Warrior Reverse Harem Romance (Zandian Brides Book 1)
    Their Zandian Mate: An Alien Warrior Reverse Harem Romance (Zandian Brides Book 1)
  82. Check it Out! The Mysterious Island
    The Mysterious Island
  83. Check it Out! HADRON Dark Matter: (Book 1)
    HADRON Dark Matter: (Book 1)
  84. Check it Out! No Good Deed: A Psychological Thriller (The Mark Taylor Series Book 1)
    No Good Deed: A Psychological Thriller (The Mark Taylor Series Book 1)
  85. Check it Out! A Robot Named Clunk: A humorous science fiction comedy (Hal Spacejock Book 1)
    A Robot Named Clunk: A humorous science fiction comedy (Hal Spacejock Book 1)
  86. Check it Out! Independence Day: Time Patrol
    Independence Day: Time Patrol
  87. Check it Out! Stone Cold Magic (Ella Grey Series Book 1)
    Stone Cold Magic (Ella Grey Series Book 1)
  88. Check it Out! Starshine: Aurora Rising Book One (Aurora Rhapsody 1)
    Starshine: Aurora Rising Book One (Aurora Rhapsody 1)
  89. Check it Out! Rookie Privateer (Privateer Tales Book 1)
    Rookie Privateer (Privateer Tales Book 1)
  90. Check it Out! The Change (Unbounded Series Book 1)
    The Change (Unbounded Series Book 1)
  91. Check it Out! Infected: The Shiners (Forgotten Origins Trilogy Book 1)
    Infected: The Shiners (Forgotten Origins Trilogy Book 1)
  92. Check it Out! On Basilisk Station (Honor Harrington Book 1)
    On Basilisk Station (Honor Harrington Book 1)
  93. Check it Out! The Prince of Dragons (Song of the Swords Book 1)
    The Prince of Dragons (Song of the Swords Book 1)
  94. Check it Out! Space Rogues: The Epic Adventures of Wil Calder, Space Smuggler
    Space Rogues: The Epic Adventures of Wil Calder, Space Smuggler
  95. Check it Out! After: The Shock (AFTER post-apocalyptic series, Book 1)
    After: The Shock (AFTER post-apocalyptic series, Book 1)
  96. Check it Out! Virgin Beast Mate (Beast Mates Book 0)
    Virgin Beast Mate (Beast Mates Book 0)
  97. Check it Out! Close Liaisons (The Krinar Chronicles Book 1)
    Close Liaisons (The Krinar Chronicles Book 1)
  98. Check it Out! Trapped: Chaos Core Book 1
    Trapped: Chaos Core Book 1
  99. Check it Out! Star Nomad: Fallen Empire, Book 1
    Star Nomad: Fallen Empire, Book 1
  100. Check it Out! Marking Time (The Immortal Descendants, Book 1)
    Marking Time (The Immortal Descendants, Book 1)