Book picks similar to
Obsolete Theorem by Stan C. Smith


time-travel
ebook
science-fiction
scifi

Earth Warden


Tony James Slater - 2018
    Their sacred duty: to protect humanity from itself… and from everything else. Lord Anakreon, Warden of the First Circle, has a problem. He’s been forced to kill another apprentice, and he’s rapidly running out of candidates. In fact, there is precisely one left… On Earth, Tristan Andrews is in trouble. He has been ever since the day his dad left for work – and never came home. Seven years later, living with one foot on the street, Tristan is struggling to survive. Until a tough old man with a scarred face breaks into his house. He claims to have the answers Tristan seeks… But there’s a price.

Transient


Zachry Wheeler - 2016
    Medallion Honoree* Readers' Favorite® 5-Star SelectionIn a dark and distant future, death is obsolete.Jonas is a transient: a human spy living as an eternal. His mission is simple: always learn, never get caught.In the year 2578, an immortal regime controls the planet. Endless war has pushed humanity to the brink of extinction. Desperate to survive, the remaining factions deploy teenage spies, hoping to defeat the enemy from within.After years in the lion's den, Jonas has grown to admire the eternal civilization. He is learning to love what he blindly hated, blurring the mission and himself.But a reckoning is coming. The fates of billions hang in the balance. When the axe falls, Jonas must choose between his family and his species.

Split Second


Douglas E. Richards - 2015
    The 27th bestselling Kindle book of 2017--out of almost 6 million titles. What if you found a way to send something back in time? But not weeks, days, or even minutes back. What if you could only send something back a fraction of a second? Would this be of any use? You wouldn't have nearly enough time to right a wrong, change an event, or win a lottery.Nathan Wexler is a brilliant physicist who thinks he's found a way to send matter a split second back into the past. But before he can even confirm his findings, he and his wife-to-be, Jenna Morrison, find themselves in a battle for their very lives. Because while time travel to an instant earlier seems useless, Jenna comes to learn that no capability in history has ever been more profound or far-reaching.Now, as Jenna fights to defeat the powerful forces arrayed against her, nothing less than the fate of humanity hangs in the balance. . .SPLIT SECOND is a roller-coaster ride of a thriller, one that will have readers pondering the nature of time, and of reality, long after they've read the last page."Richards is a worthy successor to Michael Crichton." (SF Book.com)"Richards is an extraordinary writer," (Dean Koontz) who can "keep you turning the pages all night long." (Douglas Preston)Near Future Science Fiction Thrillers by Douglas E. RichardsWIRED (Wired 1)AMPED (Wired 2)MIND'S EYE (Nick Hall 1)BRAINWEB (Nick Hall 2)MIND WAR (Nick Hall 3) -- New in 2016SPLIT SECOND (Split Second 1)TIME FRAME (Split Second 2) -- New in January, 2018QUANTUM LENSGAME CHANGER -- New in 2016INFINITY BORN -- New in 2017Kids Science Fiction Thrillers (9 and up, enjoyed by kids and adults alike)TRAPPED (Prometheus Project 1)CAPTURED (Prometheus Project 2)STRANDED (Prometheus Project 3)OUT OF THIS WORLDTHE DEVIL'S SWORD

Wolves of the Northern Rift


Jon Messenger - 2015
    It spread from the Rift, a great chasm hundreds of miles long that nearly split the southern continent in two. The Rift was a portal, a gateway between their world of science and the mythological world of magic.On the northern continent of Ocker, King Godwin declared that no magical monstrosity would be allowed within their borders. The Royal Inquisitors were formed to investigate reports of mystical occurrences and, should they be found, to destroy them.Inquisitor Simon Whitlock knows his responsibilities all too well. Along with the apothecary, Luthor Strong, they’ve spent two years inquiring into such reports of magical abominations, though they’ve discovered far more charlatans than true magical creatures. When assigned to investigate Haversham and its reports of werewolves, Simon remains unconvinced that the rumors are true. What he discovers in the frozen little hamlet is that the werewolves are far more real than he believed; yet they’re hardly the most dangerous monster in the city.

Tavish


Jane Stain - 2016
    She coped with her heartbreak by finishing her doctorate in Celtic Artwork, and now her career is taking off. Except Tavish keeps showing up at her job sites and butting into her business - all the while wearing that stupid sexy kilt. But she's here to see the ruins, not Tavish. So she'll just have to show him who's boss at this site. Because under these cliffs at Dunskey Castle it is rumored lies the ancient palace of the kings of Alba. Gggrr. Why does he seem to know more about it than she does?

Afterburn


Scott Nicholson - 2015
     As their food supply dwindles inside their bunker, radiation from abandoned nuclear plants is altering the world around them. Not only are the mutants building their own cities and weapons, the remaining dregs of the U.S. military are massing for an attack. In this decaying environment, hostile new creatures crawl out from the crevices and up from the waterways to threaten them all. But as a half-mutant, Rachel’s choice isn’t as simple as mere survival—the mutant way of life might be more promising than anything humans could hope to restore. And Rachel’s next decision could tear apart her family and the entire world.

Lady of Devices


Shelley Adina - 2011
    Victoria is Queen. Charles Darwin’s son is Prime Minister. And steam is the power that runs the world. At 17, Claire Trevelyan, daughter of Viscount St. Ives, was expected to do nothing more than pour an elegant cup of tea, sew a fine seam, and catch a rich husband. Unfortunately, Claire’s talents lie not in the ballroom, but in the chemistry lab, where things have a regrettable habit of blowing up. When her father gambles the estate on the combustion engine and loses, Claire finds herself down and out on the mean streets of London. But being a young woman of resources and intellect, she turns fortune on its head. It’s not long before a new leader rises in the underworld, known only as the Lady of Devices . . . When she meets Andrew Malvern, a member of the Royal Society of Engineers, she realizes her talents may encompass more than the invention of explosive devices. They may help her realize her dreams and his . . . if they can both stay alive long enough to see that sometimes the closest friendships can trigger the greatest betrayals . . .

Stealing Time


K.J. Waters - 2014
    A time travel betrayal. Will Ronnie survive the witch hunt or forever be lost in time? Stealing Time is the first book in the best-selling "Breathtakingly original" time travel series that will keep you on the edge of your seat. As Hurricane Charley churns a path of destruction towards Orlando, Florida, Ronnie Andrews scrambles to prepare for the storm and seeks shelter at her boyfriend’s weather lab. What she finds there is more terrifying than the destruction of mother nature. During the peak of the hurricane, Ronnie is hurtled back in time to eighteenth-century London where she is caught in a web of superstition, deception, and lies in a life and death struggle to return to her own time. Her best friend Steph is thrust into the middle of the hurricane where it quickly turns into a living nightmare as she is faced with losing everything. Stealing Time is the first book in the “breathtakingly original” Stealing Time Series of time-travel wrapped in a hurricane. If you like strong-willed modern women and gripping stories that transport you back in time, then you’ll love KJ Water's Books. Don’t miss the next book in the series, Shattering Time, available now, set during Hurricane Frances tossing Ronnie back to the Lost Colony of Roanoke Island in a fight for her life and for those facing the mysterious disappearance of our first colony in America. Reviews “The book is filled with nail-biting tension and kept me reading well into the night to find out what happened.” Diane Rapp, Amazon Reviewer. “Amid witch hunts, leering men, and a frightening fate, Ronnie finds love and hope.” Rosemary McFarland, Amazon Reviewer. “K J Waters has struck the perfect balance of science fiction, historical fact thriller with a wonderful sense of humor and even a little romance.” Scott McLean, Amazon Reviewer. “I highly recommend this well-written story to anyone who loves a thriller, historical fiction or romanticizes the past. Believe me when I say we have come much farther than you may think.” 5x Space Cadette, Amazon Reviewer.

Hard Duty


Mark E. Cooper - 2012
    Two hundred years later, the Alliance is cautiously exploring beyond its borders again, but the survey corp is considered a mere gesture by some. General Burgton of the 501st Infantry Regiment believes a lack of expansion is leading the Alliance into stagnation. So when one small ship discovers a new alien race, it should be an easy decision to make contact, but what if the aliens are like the Merkiaari?Captain Jeff Colgan of the survey ship ASN Canada is at the tip of the spear. His ship made the discovery, his crew's lives are on the line, and his decisions will decide the outcome. Will the Alliance make new friends or will he be responsible for another sixteen billion deaths? When the aliens discover his ship and begin hunting him through their system, his mission changes from one of study to one of survival.

Eldorado


Jay Allan Storey - 2013
    Richard has to make the transformation from bookish nerd to street-smart warrior to survive, when he jumps the Food Train to the disintegrating wasteland that was once suburbia in a desperate search for Danny and his dog, Zonk.Branded a criminal by a community of outcasts and condemned to death, Richard is rescued by streetwise Carrie, who joins in his search. As they trek across the remnants of civilization, facing criminal gangs, renegade militias, and the hardships of the road, their friendship evolves into something more.The trail finally unwinds at a deserted complex in the remotest corner of the sprawling suburbs. The incredible secret they uncover there will alter their lives and their world forever.

Planet Urth


Jennifer Martucci - 2013
    The planet has been battered by war, its inhabitants plagued by disease and death. Few humans survived and remained unaffected. Most changed dramatically and evolved into something else entirely. Irrevocable alterations caused by chemical warfare have created a new species. North America is in ruins and has been overtaken. Humanity has fallen at the hands of mutants known as Urthmen. Seventeen year-old Avery is alive and unchanged. But she has not been immune to the harshness of the new world. She has lived on the run for much of her life, in terror. After losing her father, Avery is the sole guardian of her eight-year-old sister, June. Avery is now charged with June’s safety as well as her own, a nearly impossible task.Forced to hide deep in the forest and away from the cities overrun by Urthmen, Avery and her sister are constantly hunted. Danger awaits them at every turn. They fear they are the only human beings left, that they are the last of their kind. But are they truly alone?Find out in this raw and rousing first installment of the Planet Urth series.

Seconds to Act


Stephanie Flynn - 2020
    Promised a distraction, April accepts her quirky roommate's dream experiment, but as she's drifting off, she's given a surprising mission: Prevent Sam Hartley's arrest in 1852, otherwise he will be murdered.In 1852 Wisconsin, Sam Hartley wishes to return to blacksmithing, where he could use his hands to create, but until something is done about his tyrannical boss, he's trapped. When an extraordinary woman comes asking for him, escalating threats and her suspicious knowledge force him to keep her close. But too soon he must decide if risking her safety is worth mending his heart.Time's running out, and April must choose between her mediocre boyfriend and 1852, risking her life to save the man who stole her heart.If you love sizzling romance, edge-of-your-seat action, time travel, swoon-worthy heroes, and sassy ladies in a small town setting, you'll love Stephanie Flynn's dramatic historical adventure books. Each is a standalone with guaranteed HEA, but an overarching narrative. Best if read in order.

Molly Fyde and the Parsona Rescue


Hugh Howey - 2009
    A dull future seems to await, until a marvelous discovery changes everything. Her father's old starship, missing for a decade, turns up halfway across the galaxy. Its retrieval launches Molly and Cole on the adventure of a lifetime, one that will have lasting consequences for themselves and billions of others. What starts off as a simple quest to reconnect with her past, ends up forging a new future. And the forgotten family she hoped to uncover becomes one she never foresaw: a band of alien misfits and runaways-the crew of the starship Parsona.

The Moon Dwellers


David Estes - 2012
    After her parents and sister are abducted by the Enforcers, seventeen-year-old Adele, a member of the middle-class moon dwellers, is unjustly sentenced to life in prison for her parents' crimes of treason.Against all odds, Adele must escape from the Pen and find her family, while being hunted by a deranged, killing machine named Rivet, who works for the President. She is helped by two other inmates, Tawni and Cole, each of whom have dark secrets that are better left undiscovered. Other than her friends, the only thing she has going for her is a wicked roundhouse kick and two fists that have been well-trained for combat by her father.At the other end of the social spectrum is Tristan, the son of the President and a sun dweller. His mother is gone. He hates his father. Backed by only his servant and best friend, Roc, he leaves his lavish lifestyle in the Sun Realm, seeking to make something good out of his troubled life.When a war breaks out within the Tri-Realms, Tristan is thrust into the middle of a conflict that seems to mysteriously follow Adele as she seeks to find her family and uncover her parents true past.In their world, someone must die.

Just One Damned Thing After Another


Jodi Taylor - 2013
    They don't do 'time-travel' - they 'investigate major historical events in contemporary time'. Maintaining the appearance of harmless eccentrics is not always within their power - especially given their propensity for causing loud explosions when things get too quiet.Meet the disaster-magnets of St Mary's Institute of Historical Research as they ricochet around History. Their aim is to observe and document - to try and find the answers to many of History's unanswered questions...and not to die in the process. But one wrong move and History will fight back - to the death. And, as they soon discover - it's not just History they're fighting.Follow the catastrophe curve from 11th-century London to World War I, and from the Cretaceous Period to the destruction of the Great Library at Alexandria. For wherever Historians go, chaos is sure to follow in their wake....