Science Fiction eBooks under $5 on AuthorsDen

	Second Chances: A Christian Gen-X What-If Novel $2.99 by Cliff Ball Kindle, What if you could go back to your teenage years with everything you've learned as an adult?..
	Secret of the Legion $4.95 by Marshall Thomas Kindle, Nook, Newly released from thought reform, a young ex-Legion trooper struggles to regain his memory and then finds himself involved in the highest level of deadly galactic politics. An alien artifact will change the balance of power..
	See No Evil $2.99 by Daniel Burnette Kindle, A witty story about how social media has changed the way people view the world around them...
	Seed of Evil: An Ancient Evil Rises $2.99 by Robert Friedrich Kindle, The Saga of Evil Begins.....
	Seeing Through Sampson's Eyes $2.99 by Pamela Schloesser Canepa Kindle, A young adult searches for truths about her identity, meeting interesting "people" along the way that help her understand what reality was like for the father she knew...
	Seeker and the Pathways of the Gods $4.99 by Marshall Thomas Kindle, Nook, The thin black line of the ConFree Legion is all that stands between the women and children of ConFree and a galaxy full of merciless enemies. ENLIST in the Legion at soldierofthelegion.com and walk the pathways of the gods,..
	Seeker and the Spirit Shifters $2.99 by Marshall Thomas Kindle, An empire of merciless alien intruders penetrates the Outvac. They are powerful psychers. The young troopers of the ConFree Legion confront them. The Legion motto is Victory or Death.,..
	Serenita $0.99 by Shannon Buck Kindle, We couldn't live with the wars any longer. The violent acts happening on our home, Earth, were proving to be too much...
	Seven Super-Short Sci-Fi Stories $0.99 by Eduardo Soliz Kindle, Nook, iBooks, Exactly what it says on the tin: a series of super short science fiction stories!..
	Shadow Jack (The Shadow Wolrld, Book 3) $4.99 by Jim LeMay Kindle, Smashwords, A long brutal Dark Age follows a devastating pandemic. Orphan boy Jack makes a precarious living as the mysterious thief called the Shadow. More danger awaits him as he is drawn inexorably into the centuries-old search for a ..
	Shadow of a Demon $4.99 by E. Sabin Kindle, Nook, India Terrano carries within her a Viseg—a creature that feeds on energy and can spit that energy out with tremendous destructive force. She wants desperately to be rid of it, but that seems impossible...
	Shadowed $2.99 by Ken Hughes Kindle, Smashwords, He can hear a whisper a block away... and can't remember why...
	Shadows of Reality $4.95 by Stephen Berberich, MD Kindle, Shadows of Reality is the fascinating story of a young boy who was raised in the strict rituals of Christianity. The story is as educational as it is entertaining. Above all, it is not your typical airplane novel. ..
	Shadows of Tockland $2.99 by Jeffrey Miller Kindle, A post-apocalyptic adventure novel...
	Shadowspawn (The Shadow World, Book 4) $4.99 by Jim LeMay Kindle, Smashwords, In the 677th year of the Dark Age following a devastating pandemic Jack Mors turns 18. As the wily thief and prankster called the Shadow, he moves smoothly between the City’s criminals, slum folk and aristocracy, trying but f..
	Shadowzone $2.99 by Simon Rose Kindle, Nook, Smashwords, iBooks, The Shadowzone Series of science fiction and fantasy novels involves the discovery of a grim dystopian version of Earth ruled by a totalitarian dictatorship, the threat of a deadly virus, and a race against time to save the l..
	Shakazhan: Lone Wolf Series Book 2 $2.99 by Dellani Oakes Kindle, John Riley has disappeared in a teleporter beam. Where has he gone?..
	Shock Waves $4.99 by Richard Turner Kindle, Nook, Smashwords, iBooks, In the final chapter of the Kurgan War series, bitter foes are forced to work together to defeat a new enemy that threatens to overwhelm and destroy both species. With time running out, Michael Sheridan and Alan Cole venture ..
	Showdown Over Neptune $2.99 by Karl Morgan Kindle, Showdown begins the Dave Brewster Series. Follow Dave as he travels into the future and restarts mankind's reach into the stars...
	Shredded $3.99 by Charles O'Donnell Kindle, Grace's life has been hacked, turned into a virtual peepshow and gone viral. She'll do anything to remove her life from the Worldstream, but if she does, she can never go back...
	Silent Invasion (Book 1 - The Imagination Series) $0.99 by Neil Ostroff Kindle, They are here! They are hidden among us! They will stop at nothing to destroy us! Can a teenage boy and his friends save us from a terrible fate? ..
	Silicon Self $4.99 by Kirtimaya Varma Kindle, If we keep our noses glued to the computer day and night, what kind of society shall we create for ourselves?..
	Since the Sirens: Sirens of the Zombie Apocalypse, Book 1 $0.99 by EE Isherwood Kindle, Think surviving the zombie apocalypse is hard? Try it with your 104-year-old great-grandmother while being chased by looters, the military, and the undead...
	SKY CITY (Part 1) $1.99 by Tobias Roote Kindle, With the impending invasion by the Nubl, the race to leave Earth begins...
	SKY CITY (Part 2) $1.99 by Tobias Roote Kindle, ARK prepares to leave Earth, but there's a problem. XeraC!..
	Slave of the Legion $4.95 by Marshall Thomas Kindle, Nook, Slave of the Legion When do you become a slave? Is it when they put chains on your legs? Or when you realize, suddenly, like a laser shot in the brain, that you do it yourself? Beta Three stood under the holy dead..
	Sleepless Flame $3.99 by Odin Oxthorn Kindle, Nook, Sleepless Flame is a faced-paced action-packed scifi story that features a nonbinary protagonist. Follow the exploits of a disgraced war criminal as they navigate a vibrant cyberpunk world full of corporate intrigue while usi..
	Snail's Pace $0.99 by Susan McDonough Wachtman Kindle, Victorian orphan Susannah McKay is delighted when the Chinese man in Hong Kong offers her a job as a governess. However, even the adventurous Susannah is taken aback to find that the young male she is to teach is an alien abo..
	Snatched $2.99 by Vijaya Schartz Kindle, Smashwords, Snatched from a post-apocalyptic battlefield by galactic traders, Zania is sold to a clandestine ring of fighting Amazons on a planet lush with green jungles and teeming with deadly felines. She resents the gorgeous and overz..
	Snow Cheetah Chronicles of Kassouk Book Five $3.99 by Vijaya Schartz Kindle, Smashwords, On a mission to annex a planet for Earth, Captain Martial Terrien faces a culture with incredible psychic abilities, and falls for its lovely queen. ..
	Solar Lullaby $0.99 by T.W. Fendley Kindle, Dr. Flare Haich offers the only hope for diverting a solar flare that will dwarf the 2012 Mayan Event, which killed her parents and a half-billion others. She must overcome the betrayal of one she trusted and launch Empress I..
	Soldier of the Legion $4.95 by Marshall Thomas Kindle, Nook, On their first combat mission the new recruits of Squad Beta are getting a chilling introduction to the Legion. The ultimate evil is awaiting them all, writhing in the shadows, merciless and all-powerful, and humanity itself..
	Solution: A Spacefaring Short Story FREE by Kell Inkston Kindle, A rouge mercenary comes across a drifting flagship. Upon recovering the artificial intelligence inside, it has one request: "Kill me."..
	Son & Daughter of O/V $2.99 by Sam Smith Kindle, Smashwords, iBooks, Subtitled Analysis of a Sub-literary Cause Célèbre herein a book within a book, a metamorphic tale, a mongrelisation. Herein a history atop a history, Son & Daughter of O/V tells, with only descriptions of the pictures, of a ..
	Species Survival $2.99 by KEN HOLLAR Kindle, Hiding in plain sight they sustain a wave of kindness in an unkind world without making waves that would attract the men and "dogs" hunting them...
	Speculative Encounters : New Stories from the Slipstream $2.99 by C. L. Nichols Kindle, Smashwords, Short Stories from C. L. Nichols - Dramatic stories, some dark, some fanciful, some post-apocalyptic, some other worldly. Bonus, novel excerpts...
	Spirit Lake / Luna Lake $2.99 by Michael Denham Kindle, A science fantasy suspense novel on the re-making of a man...
	Spirit of the Lone Horse $3.99 by Ani Manjikian Kindle, An adventure that weaves a tapestry through past mistakes and regrets, present circumstances and consequences, and future hopes and dreams...
	Star Rise / The Third Expedition $4.99 by Jacob Taylor Kindle, NEW Full-Color Expanded Edition Includes 35 Illustrations in full color. Science Fiction and Fantasy for Children 7+, Teens, Young Adults and all those who enjoy space adventures...
	Starlight On Stone CRUX (ebook) $4 by Jansen Estrup Kindle, Nook, Climax of the Starlight On Stone saga in which the peace-bride, Harranish, must decide between dark vengeance in her own land and bright possibilities in the strange one of her traditional enemies. Science and history - Fi..
	Starlight, Starbright $2.99 by Melva Henderson Kindle, When Lynn Hutchinson realizes her nightmares are in fact reality, she understands the years of mental anguish from night terrors and depression are caused by something horrifying but quite real...
	Starship Samudram $2.99 by Saurabh Dashora Kindle, Earth is dying. Starship Samudram, carrying a crew of 1000 people, travels to Saturn's largest moon, Titan. Their mission is to colonize it...
	Steam Sleuth #1: The Ill Fated Flight of the Bad Ship Petty Snark $0.99 by Stan Carter Kindle, Steamy steampunk novella..
	Steps of the Dance, Volume 2, Lorekeeper series $2.99 by Patricia Scholes Kindle, Chalatta must learn her father's abilities, or she will be overwhelmed by enemies who threaten to use her for their own purposes. But she's just a child, too young, isn't she?..
	Still Light Canto 1: Exposition $0.99 by Danny Jorgensen Kindle, Smashwords, Ever got fed up with a great series that ended up going nowhere? Then you need Still Light, a meticulously planned look at the next 500 years of humans history...
	Stillwaters (The Four Lives of J. S. Freeman, Book 1) $2.99 by Yvonne Anderson Kindle, How did she rise from the shrouds of obscurity to become one of the world’s most influential figures? In this series, the enigmatic author breaks her long silence and tells the whole tale. ..
	Strand book 1 The Antilles $2.99 by Don Chase Kindle, The marines of the PlanetCo. militia are used to trouble. Rescue operations, suppressing uprisings, drunken nights at the bars. What they aren't ready for is system-wide conspiracies, intergalactic felony and getting tossed i..
	Strange & Weird Stories $2.99 by James Nelson Kindle, The Unknown is as close as beside you. We just can't always see it...
	Strike Three $4.95 by Joy Smith Kindle, Because of the "hot virus," the devastation of WWIII is more horrible than the worse case scenario, and missiles fired in retaliation gave new meaning to "scorched earth."..
	Strungballs $2.44 by Mike Russell Kindle, Strungballs is an extraordinary novella...