Books like 'The Enigma Cube'
Readers who enjoyed The Enigma Cube by Douglas E. Richards also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi mystery action / adventure hard sci-fi alternate history time-travel aliens suspense espionage first-contact
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Dust by Hugh Howey
Rated: 4.27 of 5 stars · 38 ratingsWool introduced the world of the silo. Shift told the story of its creation. Dust will describe its downfall. The residents of Silo 18 have a new mayor and the chance of a new beginning. But just as they regain their footing, their gravest threat emerges: Silo 1, and the men who brought Earth into ruin. But power, politics, and the survival of the human race are complex...Categorized as:
suspense action-adventure alternate-history apocalyptic audiobook book contemporary dark -
![Cryptonomicon by Neal Stephenson]()
Cryptonomicon by Neal Stephenson
Rated: 4.23 of 5 stars · 42 ratingsCryptonomicon zooms all over the world, careening conspiratorially back and forth between two time periods—World War II and the present. Our 1940s heroes are the brilliant mathematician Lawrence Waterhouse, crypt analyst extraordinaire, and gung-ho, morphine-addicted marine Bobby Shaftoe...Categorized as:
espionage political-intrigue 20th-century action-adventure adult alternate-history asia audiobook -
![The Relentless Moon by Mary Robinette Kowal]()
The Relentless Moon by Mary Robinette Kowal
Rated: 4.39 of 5 stars · 30 ratingsMary Robinette Kowal continues her award-winning Lady Astronaut series, which began with The Calculating Stars and The Fated Sky, with The Relentless Moon.The Earth is coming to the boiling point as the climate disaster of the Meteor strike becomes more and more clear, but the political situation is already overheated. Riots and sabotage plague the space program... -
![The End of Eternity by Isaac Asimov]()
The End of Eternity by Isaac Asimov
Rated: 4.22 of 5 stars · 47 ratingsOne of Isaac Asimov's SF masterpieces, this stand-alone novel is a monument of the flowering of SF in the 20th century. It is widely regarded as Asimov's single best SF novel and one every SF fan should read.Andrew Harlan is an Eternal, a member of the elite of the future...Categorized as:
paranormal time-travel 20th-century action-adventure adult alternate-history audiobook book -
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![Anathem by Neal Stephenson]()
Anathem by Neal Stephenson
Rated: 4.16 of 5 stars · 35 ratingsFraa Erasmas is a young avout living in the Concent of Saunt Edhar, a sanctuary for mathematicians, scientists, and philosophers, protected from the corrupting influences of the outside "saecular" world by ancient stone, honored traditions, and complex rituals. Over the centuries, cities and governments have risen and fallen beyond the concent's walls... -
![A Pivot in Time by Douglas E. Richards]()
A Pivot in Time by Douglas E. Richards
Rated: 4.19 of 5 stars · 30 ratingsKelly, Justin, and Otto return in a riveting near-future thriller. From the million-copy New York Times best-selling author."Richards is an extraordinary writer" (Dean Koontz) who can "keep you turning the pages all night long". (Douglas Preston)The Enigma Cube is an alien object of unlimited power, with technology that can catapult civilization to dizzying heights - or destroy it entirely...Categorized as:
aliens first-contact suspense time-travel action-adventure adult alternate-history audiobook -
![The Three-Body Problem by Liu Cixin, Ken Liu]()
The Three-Body Problem by Liu Cixin, Ken Liu
Rated: 4.02 of 5 stars · 47 ratingsThe Three-Body Problem is the first chance for English-speaking readers to experience the Hugo Award-winning phenomenon from China's most beloved science fiction author, Liu Cixin.Set against the backdrop of China's Cultural Revolution, a secret military project sends signals into space to establish contact with aliens...Categorized as:
aliens first-contact 21st-century action-adventure adult alternate-history apocalyptic audiobook -
![Europe at Dawn by Dave Hutchinson]()
Europe at Dawn by Dave Hutchinson
Rated: 4.13 of 5 stars · 8 ratingsAlice works at the Scottish Embassy in Tallinn in Estonia as a member of the Cultural Section. When two men bring her the jewelled skull of a Scottish saint her world gets turned on its head, and she becomes the latest recruit to Les Coureurs des Bois.On a Greek island Benno is just one of hundreds of refuges dreaming of a new life in Continental Europe...Categorized as:
espionage first-contact political-intrigue action-adventure adult alternate-history audiobook book -
![Unfathomed by Ralph Kern]()
Unfathomed by Ralph Kern
Rated: 4.13 of 5 stars · 8 ratingsThe M/S Atlantica, one of the most advanced cruise ships in the world, is lost. Land has disappeared. Fuel, food and hope begin to dwindle. After months recuperating in hospital, US Marine Jack Cohen hoped a Caribbean cruise would help him recover from the horrific injuries he sustained fighting in the Middle East...Categorized as:
time-travel action-adventure adult ai alternate-history assassinations audiobook book -
![1635: Music and Murder by David Carrico]()
1635: Music and Murder by David Carrico
Rated: 4.00 of 5 stars · 6 ratings1635: Murder and Music.Music . . .It's been said that musicians live for the next new sound. Well, the musicians of Europe were presented with the biggest new sound ever when the Ring of Fire brought the future back to 1631... -
![Extinction Code by James D. Prescott]()
Extinction Code by James D. Prescott
Rated: 4.01 of 5 stars · 30 ratingsWe were wrong about the origins of our species. For eons, the truth has remained hidden. Until now... Geophysicist Jack Greer believes he may finally have found the resting place of the meteorite that wiped out the dinosaurs sixty-five million years ago... -
![The Time Ships by Stephen Baxter]()
The Time Ships by Stephen Baxter
Rated: 3.94 of 5 stars · 18 ratingsThere is a secret passage through time...and it leads all the way to the end of Eternity. But the journey has a terrible cost. It alters not only the future but the "present" in which we live.A century after the publication of H. G...Categorized as:
time-travel 20th-century action-adventure adult alternate-history audiobook book classics -
![The Probability Broach by L. Neil Smith]()
The Probability Broach by L. Neil Smith
Rated: 3.88 of 5 stars · 8 ratingsDenver detective Win Bear, on the trail of a murderer, discovers much more than a killer. He accidentally stumbles upon the probability broach, a portal to a myriad of worlds--some wildly different from, others disconcertingly similar to our own...Categorized as:
time-travel 20th-century action-adventure adult alternate-history book cyberpunk dystopia -
![Century Rain by Alastair Reynolds]()
Century Rain by Alastair Reynolds
Rated: 3.90 of 5 stars · 20 ratingsThree hundred years from now, Earth has been rendered uninhabitable due to the technological catastrophe known as the Nanocaust. Archaeologist Verity Auger specializes in the exploration of its surviving landscape. Now, her expertise is required for a far greater purpose... -
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![Luna Marine by Ian Douglas]()
Luna Marine by Ian Douglas
Rated: 3.93 of 5 stars · 24 ratingsThe revelations on Mars -- a half-million year-old legacy of the vanished star-traveling Builders -- have fed the flames of catastrophic war. A beleaguered United States and its Russian and Japanese allies struggle to hold their own against the indomitable forces of the enemy United Nations... -
![World Engines: Destroyer by Stephen Baxter]()
World Engines: Destroyer by Stephen Baxter
Rated: 3.80 of 5 stars · 10 ratingsHundreds of years in the future, on a stagnating and almost empty Earth, a space shuttle pilot from the early days of the 21st century is awoken from the cryogenic sleep he entered after a devastating accident... -
![Calculating God by Robert J. Sawyer]()
Calculating God by Robert J. Sawyer
Rated: 3.85 of 5 stars · 20 ratingsAn alien shuttle craft lands outside the Royal Ontario Museum in Toronto. Out pops a six-legged, two-armed alien, who says, in perfect English, "Take me to a paleontologist... -
![Transition by Iain M. Banks]()
Transition by Iain M. Banks
Rated: 3.85 of 5 stars · 20 ratingsThere is a world that hangs suspended between triumph and catastrophe, between the dismantling of the Wall and the fall of the Twin Towers, frozen in the shadow of suicide terrorism and global financial collapse. Such a world requires a firm hand and a guiding light... -
![Permafrost by Alastair Reynolds]()
Permafrost by Alastair Reynolds
Rated: 3.83 of 5 stars · 18 ratingsFix the past. Save the present. Stop the future. Alastair Reynolds unfolds a time-traveling climate fiction adventure in Permafrost.2080: at a remote site on the edge of the Arctic Circle, a group of scientists, engineers and physicians gather to gamble humanity’s future on one last-ditch experiment...Categorized as:
suspense time-travel 21st-century action-adventure adult ai alternate-history apocalyptic -
![The Doors of Eden by Adrian Tchaikovsky]()
The Doors of Eden by Adrian Tchaikovsky
Rated: 3.87 of 5 stars · 29 ratingsLee’s best friend went missing on Bodmin Moor, four years ago. She and Mal were chasing rumours of monsters when they found something all too real. Now Mal is back, but where has she been, and who is she working for?When government physicist Kay Amal Khan is attacked, the security services investigate...Categorized as:
aliens espionage paranormal political-intrigue time-travel 21st-century action-adventure adult -
![The Fold by Peter Clines]()
The Fold by Peter Clines
Rated: 3.87 of 5 stars · 38 ratingsSTEP INTO THE FOLD. IT’S PERFECTLY SAFE. The folks in Mike Erikson's small New England town would say he's just your average, everyday guy. And that's exactly how Mike likes it. Sure, the life he's chosen isn’t much of a challenge to someone with his unique gifts, but he’s content with his quiet and peaceful existence...Categorized as:
aliens paranormal suspense time-travel 21st-century action-adventure adult alternate-history -
![Solitude by Dean M. Cole]()
Solitude by Dean M. Cole
Rated: 3.85 of 5 stars · 23 ratingsFrom the Bestselling Author of the Sector 64 Series! I Am Legend meets Gravity and The Martian when Earth's last man discovers that the last woman is stranded alone aboard the International Space Station. If you like action-packed, page-turning novels, you'll love the electrifying action in this apocalyptic thriller...Categorized as:
aliens first-contact suspense time-travel action-adventure adult alternate-history apocalyptic -
![Eon by Greg Bear]()
Eon by Greg Bear
Rated: 3.82 of 5 stars · 28 ratingsThe 21st century was on the brink of nuclear confrontation when the 300 kilometer-long stone flashed out of nothingness and into Earth's orbit. NASA, NATO, and the UN sent explorers to the asteroid's surface...and discovered marvels and mysteries to drive researchers mad... -
![The Peripheral by William Gibson]()
The Peripheral by William Gibson
Rated: 3.82 of 5 stars · 28 ratingsFlynne Fisher lives down a country road, in a rural near-future America where jobs are scarce, unless you count illegal drug manufacture, which she’s trying to avoid. Her brother Burton lives, or tries to, on money from the Veterans Administration, for neurological damage suffered in the Marines’ elite Haptic Recon unit. Flynne earns what she can by assembling product at the local 3D printshop...Categorized as:
suspense time-travel 21st-century action-adventure adult ai alpha-mc alternate-history -
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![Now, Then, and Everywhen by Rysa Walker]()
Now, Then, and Everywhen by Rysa Walker
Rated: 3.84 of 5 stars · 30 ratingsFrom the bestselling author of the Chronos series comes a page-turning novel of time travel, fast-paced action, and history-changing events.When two time-traveling historians cross paths during one of the most tumultuous decades of the twentieth century, history goes helter-skelter...Categorized as:
paranormal time-travel action-adventure alternate-history audiobook book dystopia female-author -
![Humans by Robert J. Sawyer]()
Humans by Robert J. Sawyer
Rated: 3.78 of 5 stars · 18 ratingsRobert J. Sawyer, the award-winning and bestselling writer, hits the peak of his powers in Humans, the second book of The Neanderthal Parallax, his trilogy about our world and parallel one in which it was the Homo sapiens who died out and the Neanderthals who became the dominant intelligent species... -
![Hominids by Robert J. Sawyer]()
Hominids by Robert J. Sawyer
Rated: 3.79 of 5 stars · 24 ratingsNeanderthals have developed a radically different civilization on a parallel Earth. A Neanderthal physicist, Ponter Boddit, accidentally passes from his universe into a Canadian underground research facility. Fortunately, a team of human scientists, including expert paleo-anthropologist Mary Vaughan, promptly identifies and warmly receives Ponter... -
![Eifelheim by Michael Flynn]()
Eifelheim by Michael Flynn
Rated: 3.75 of 5 stars · 16 ratingsIn 1349, one small town in Germany disappeared and has never been resettled. Tom, a contemporary historian, and his theoretical physicist girlfriend Sharon, become interested. Tom indeed becomes obsessed. By all logic, the town should have survived, but it didn't and that violates everything Tom knows about history...Categorized as:
aliens first-contact time-travel 21st-century action-adventure adult alternate-history audiobook -
![Seven Rules of Time Travel by Roy Huff]()
Seven Rules of Time Travel by Roy Huff
Rated: 3.63 of 5 stars · 8 ratingsWhat if you could rewrite the past?Quinn Black is having the worst day ever . . . over and over again. The same car blocking his driveway, the same horrific accident he witnesses, the same cop that keeps preventing him from saving his boss from dying in it, and the same memory of a girl from his past that gets sharper each time...Categorized as:
time-travel action-adventure adult alternate-history audiobook book classics dystopia -
![Redshirts by John Scalzi]()
Redshirts by John Scalzi
Rated: 3.81 of 5 stars · 43 ratingsEnsign Andrew Dahl has just been assigned to the Universal Union Capital Ship Intrepid, flagship of the Universal Union since the year 2456. It’s a prestige posting, and Andrew is thrilled all the more to be assigned to the ship’s Xenobiology laboratory... -
![Zero World by Jason M. Hough]()
Zero World by Jason M. Hough
Rated: 3.76 of 5 stars · 27 ratingsTechnologically enhanced superspy Peter Caswell has been dispatched on a top-secret assignment unlike any he’s ever faced. A spaceship that vanished years ago has been found, along with the bodies of its murdered crew—save one. Peter’s mission is to find the missing crew member, who fled through what appears to be a tear in the fabric of space...Categorized as:
aliens espionage political-intrigue suspense time-travel action-adventure adult alternate-history -
![Ultima by Stephen Baxter]()
Ultima by Stephen Baxter
Rated: 3.69 of 5 stars · 16 ratingsFresh from his latest collaboration with Terry Pratchett on the Long Earth sequence Stephen Baxter now returns to the mysteries and challenges first hinted at in his acclaimed novel PROXIMA.In PROXIMA we discovered ancient alien artifacts on the planet of Per Ardua - hatches that allowed us to step across light years of space as if we were stepping into another room. The universe opened up to us...Categorized as:
aliens first-contact time-travel action-adventure adult alternate-history audiobook book -
![Fifty Degrees Below by Kim Stanley Robinson]()
Fifty Degrees Below by Kim Stanley Robinson
Rated: 3.69 of 5 stars · 16 ratingsAfter years of denial and non-action, a near-future Earth faces a crossroad when it is threatened with the dire implications of global warming, an environmental crisis that ironically could unleash a devastating Ice Age on the planet...Categorized as:
suspense 21st-century action-adventure adult alternate-history apocalyptic book crime -
![Rosewater by Tade Thompson]()
Rosewater by Tade Thompson
Rated: 3.77 of 5 stars · 35 ratingsTade Thompson's Rosewater is the start of an award-winning, cutting edge trilogy set in Nigeria, by one of science fiction's most engaging new voices.Rosewater is a town on the edge. A community formed around the edges of a mysterious alien biodome, its residents comprise the hopeful, the hungry and the helpless—people eager for a glimpse inside the dome or a taste of its rumored healing powers...Categorized as:
aliens first-contact paranormal 21st-century action-adventure adult afrofuturism alternate-history -
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![Ancient Shores by Jack McDevitt]()
Ancient Shores by Jack McDevitt
Rated: 3.64 of 5 stars · 14 ratingsIt turned up in a North Dakota wheat field: a triangle, like a shark's fin, sticking up from the black loam. Tom Lasker did what any farmer would have done. He dug it up. And discovered a boat, made of a fiberglass-like material with an utterly impossible atomic number. What it was doing buried under a dozen feet of prairie soil two thousand miles from any ocean, no one knew...Categorized as:
aliens first-contact time-travel action-adventure adult alternate-history book fiction -
![The Flicker Men by Ted Kosmatka]()
The Flicker Men by Ted Kosmatka
Rated: 3.64 of 5 stars · 14 ratingsA quantum physicist shocks the world with a startling experiment, igniting a struggle between science and theology, free will and fate, and antagonizing forces not known to exist.Eric Argus is a washout. His prodigious early work clouded his reputation and strained his sanity. But an old friend gives him another chance, an opportunity to step back into the light...Categorized as:
political-intrigue suspense 21st-century action-adventure adult ai alternate-history audiobook -
![Time's Eye by Arthur C. Clarke, Stephen Baxter]()
Time's Eye by Arthur C. Clarke, Stephen Baxter
Rated: 3.67 of 5 stars · 18 ratingsIn an instant, Earth is carved up and reassembled like a huge jigsaw puzzle. Suddenly the planet and every living thing on it no longer exist in a single timeline. Instead, the world becomes a patchwork of eras, from prehistory to 2037, each with its own indigenous inhabitants.Scattered across the planet are floating silver orbs impervious to all weapons and impossible to communicate with... -
![South by Frank Owen]()
South by Frank Owen
Rated: 3.33 of 5 stars · 6 ratingsA stunning high-concept post-apocalyptic debut novel.The USA has been ravaged by Civil War. It's thirty years since the first wind-borne viruses ended the war between North and South - and still they keep coming. Every wind brings a new and terrifying way to die. The few survivors live in constant fear, hiding from the wind - and from each other...Categorized as:
suspense action-adventure adult alternate-history apocalyptic audiobook book contemporary -
![Regression by Kathy Bell]()
Regression by Kathy Bell
Rated: 3.38 of 5 stars · 8 ratingsFourteen-year-old Adya Jordan swears before her head injury she was a forty-year-old mother of six. Being a teen in the 80's is hard enough without the haunting memories of a former love and family. The secretive Three Eleven Corporation might know more about her situation than she does, so Adya investigates further until faced with a choice no mother should make: her children, or everyone else...Categorized as:
paranormal time-travel action-adventure alternate-history book dystopia fiction hard-sci-fi -
![Vessel by Andrew J. Morgan]()
Vessel by Andrew J. Morgan
Rated: 3.63 of 5 stars · 16 ratingsExcitement is high when the crew of the International Space Station discovers a mysterious object in orbit around Earth. But something goes wrong, and contact with the station is lost. When journalist Sean Jacob gets wind of the situation, he embarks on a journey to reveal the truth, winding his way into the biggest conspiracy to ever face mankind...Categorized as:
aliens first-contact political-intrigue action-adventure adult alternate-history audiobook book -
![Hidden Empire by Orson Scott Card]()
Hidden Empire by Orson Scott Card
Rated: 3.63 of 5 stars · 16 ratingsThe war of words between right and left collapsed into a shooting war, and raged between the high-technology weapons on each side, devastating cities and overrunning the countryside.At the close of Empire, political scientist and government adviser Averell Torrent had maneuvered himself into the presidency of the United States...Categorized as:
political-intrigue suspense action-adventure adult alternate-history assassinations audiobook book -
![Mammoth by John Varley]()
Mammoth by John Varley
Rated: 3.66 of 5 stars · 25 ratingsNever afraid of risks, award-winning author John Varley took readers and critics by storm with his previous novel, Red Thunder. Now, Varley takes another leap into the great unknown with Mammoth...In a barren province of Canada, a mammoth hunter has made the discovery of a lifetime: an intact frozen woolly mammoth...Categorized as:
time-travel action-adventure adult alternate-history animals book fiction hard-sci-fi -
![Blades of Winter by G.T. Almasi]()
Blades of Winter by G.T. Almasi
Rated: 3.52 of 5 stars · 13 ratingsIn one of the most exciting debuts in years, G. T. Almasi has fused the intricate cat-and-mouse games of a John le Carré novel with the brash style of comic book superheroes to create a kick-ass alternate history that reimagines the Cold War as a clash of spies with biological, chemical, and technological enhancements... -
![Flashforward by Robert J. Sawyer]()
Flashforward by Robert J. Sawyer
Rated: 3.64 of 5 stars · 36 ratingsFLASHFORWARDTwo minutes and seventeen seconds that changed the worldSuddenly, without warning, all seven billion people on Earth black out for more than two minutes. Millions die as planes fall from the sky, people tumble down staircases, and cars plow into each other.But that’s the least of the survivors’ challenges...Categorized as:
paranormal suspense time-travel 20th-century action-adventure adult alternate-history audiobook -
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![Tiger Chair by Max Brooks]()
Tiger Chair by Max Brooks
Rated: 3.56 of 5 stars · 18 ratingsWhen China invades America, guerrilla warfare explodes on the streets of Los Angeles in this provocative short story about the future of war from Max Brooks, the #1 New York Times bestselling author of World War Z.China thought it would be a quick war, an easy war... -
![Forty Signs of Rain by Kim Stanley Robinson]()
Forty Signs of Rain by Kim Stanley Robinson
Rated: 3.54 of 5 stars · 27 ratingsThe bestselling author of the classic Mars trilogy and The Years of Rice and Salt returns with a riveting new trilogy of cutting-edge science, international politics, and the real-life ramifications of global warming as they are played out in our nation’s capital—and in the daily lives of those at the center of the action... -
![The Number of the Beast by Robert A. Heinlein]()
The Number of the Beast by Robert A. Heinlein
Rated: 3.59 of 5 stars · 36 ratingsDr. Zebadiah John Carter, Dr. Dejah Thoris Burroughs (Deety to her friends), Deety's brainiac father, Jake, and her "Aunt" Hilda are running off to Reno for a quickie double wedding when a car bomb narrowly misses killing them all. But, what makes this bantering bunch so special isn't money or politics or jealous exes but the one-of-a-kind machine Jake has built in his basement...Categorized as:
aliens paranormal time-travel action-adventure adult alternate-history alternate-universe audiobook -
![The Cassandra Project by Jack McDevitt, Mike Resnick]()
The Cassandra Project by Jack McDevitt, Mike Resnick
Rated: 3.45 of 5 stars · 21 ratingsJerry Culpepper was proud to be NASA's public affairs director, long after the first moon landing, budget cutbacks, and public disinterest. Now a 50-year old secret about the Apollo XI mission embroils him in controversy and tests his willingness to spin the truth about a conspiracy of reality-altering proportions...Categorized as:
aliens first-contact political-intrigue action-adventure adult alternate-history audiobook book -
![Axis by Robert Charles Wilson]()
Axis by Robert Charles Wilson
Rated: 3.52 of 5 stars · 32 ratingsWildly praised by readers and critics alike, Robert Charles Wilson's Spin won science fiction's highest honor, the Hugo Award for Best Novel. Now, in Spin's direct sequel, Wilson takes us to the "world next door"--the planet engineered by the mysterious Hypotheticals to support human life, and connected to Earth by way of the Arch that towers hundreds of miles over the Indian Ocean...Categorized as:
aliens first-contact time-travel action-adventure adult alternate-history apocalyptic audiobook -
![Empire by Orson Scott Card]()
Empire by Orson Scott Card
Rated: 3.44 of 5 stars · 33 ratingsThe American Empire has grown too fast, and the fault lines at home are stressed to the breaking point. The war of words between Right and Left has collapsed into a shooting war, though most people just want to be left alone. The battle rages between the high-technology weapons on one side, and militia foot-soldiers on the other, devastating the cities, and overrunning the countryside...Categorized as:
political-intrigue suspense action-adventure adult alternate-history apocalyptic audiobook book
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