Books like 'Echo'
Readers who enjoyed Echo by Michael C. Grumley also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi action / adventure mystery drama suspense transhumanism first-contact military
-
Tiamat's Wrath by James S.A. Corey
34 ratingsThirteen hundred gates have opened to solar systems around the galaxy. But as humanity builds its interstellar empire in the alien ruins, the mysteries and threats grow deeper... -
Caliban's War by James S.A. Corey
47 ratingsWe are not alone.On Ganymede, breadbasket of the outer planets, a Martian marine watches as her platoon is slaughtered by a monstrous supersoldier. On Earth, a high-level politician struggles to prevent interplanetary war from reigniting. And on Venus, an alien protomolecule has overrun the planet, wreaking massive, mysterious changes and threatening to spread out into the solar system... -
Persepolis Rising by James S.A. Corey
37 ratingsIn the thousand-sun network of humanity's expansion, new colony worlds are struggling to find their way. Every new planet lives on a knife edge between collapse and wonder, and the crew of the aging gunship Rocinante have their hands more than full keeping the fragile peace... -
Ripple by Michael C. Grumley
24 ratingsIt began in Ethiopia, hundreds of thousands of years ago. When a handful of genetic mutations caused evolution to split from the primates. And mankind was born.Now, eons later, evidence of more splits from the apes are being unearthed. And with them, a disturbing realization. Ours was only one of many.And yet we survived. But it was not by luck or chance... -
-
The Pandora Paradox by Joshua Dalzelle
12 ratingsIt started with a revolution nobody had even realized occurred…Its cruelty sparked a rebellion that everyone refused to admit existed…Now, the Machine—a terrifying and relentless enemy—reigns supreme in the galaxy, and the real fight is just beginning... -
Catalyst by Michael C. Grumley
24 ratingsIn 1984 a doomsday vault was constructed on a remote island in the Arctic Ocean. Its purpose was to preserve Earth’s genetic history in the event of a global catastrophe.Now, decades later, a second vault has been uncovered. This one resting where no one ever expected. And the problem is…it’s not ours. Yet even more curious than the vault itself, is what lies inside. Seeds. Millions of seeds... -
Lost and Found by Lexi Blake
15 ratingsOwen Shaw and his “brothers” lost everything, their entire existence erased. Science had robbed him and all the Lost Boys of their memories and their past, but not their future. Hunted by every intelligence agency in the world, they are focused on two goals: find a cure for what was done to them and ensure that the technology that ruined their lives doesn’t get out into the world... -
Pandora's Star by Peter F. Hamilton
33 ratingsThe year is 2380. The Intersolar Commonwealth, a sphere of stars some four hundred light-years in diameter, contains more than six hundred worlds, interconnected by a web of transport "tunnels" known as wormholes. At the farthest edge of the Commonwealth, astronomer Dudley Bose observes the impossible: Over one thousand light-years away, a star... vanishes. It does not go supernova... -
MindWar by Douglas E. Richards
16 ratingsNick Hall returns in a riveting stand-alone thriller, set in a stunning future that is rapidly approaching.From the NY Times bestselling author whose books have been downloaded over a million times.Nick Hall has revolutionary electronics implanted in his brain that allow him to read minds--including thoughts, memories, and even intent... -
Ice Revelation by Kevin Tinto
10 ratingsDr. Leah Andrews is on the Antarctic Continent, her single-minded goal, return the Ancients to their destiny while at the same time, hoping that will stop the increasingly powerful and destructive Anomaly, that threatens a planet-wide extinction event should it continue to widen its grasp. She is far from the only interested party in finding the source of the extraterrestrial Anomaly... -
Wool 5 - The Stranded by Hugh Howey
20 ratingsIn July of 2011, a short story named WOOL was quietly released into the vast wilds of the Kindle Store. I never marketed this novelette; I failed to mention it on my website. What happened next was remarkable: People started reading it, and reviewing it, and talking about it.There was never any intention to create a series... -
Leviathan Wakes by James S.A. Corey
50 ratingsHumanity has colonized the solar system—Mars, the Moon, the Asteroid Belt and beyond—but the stars are still out of our reach.Jim Holden is XO of an ice miner making runs from the rings of Saturn to the mining stations of the Belt. When he and his crew stumble upon a derelict ship, the Scopuli, they find themselves in possession of a secret they never wanted... -
Resurrecting Home by A. American
14 ratingsAgainst all odds, Morgan Carter and his family have endured despite the deteriorating conditions surrounding them. Armed with survivalist tactics, Morgan's crew, alongside their new friends from the recently-liberated DHS camp, have worked together to build a sustainable communuity. But not all situations can be prepared for...Categorized as:
military suspense action-adventure adult alternate-history apocalyptic audiobook book -
Alien Scourge by Michael Anderle
6 ratingsCharley and Angelina have a lot to deal with. Do they help their friend or turn him in for being an alien?In some situations, you don’t know how you will react until someone tries to kill you...And your alien friend keeps you safe.Angelina’s boyfriend believes she will come back with the right amount of coercion if he gets rid of her “friend... -
-
Against All Odds by Richard Bard
6 ratingsThe highly anticipated series finale to the #1 Wall Street Journal bestseller Publishers Weekly called “a terrifically entertaining thriller!”In this conclusion to Richard Bard’s popular Brainrush series, Jake Bronson’s family and friends face their biggest threat ever... -
The Evolutionary Void by Peter F. Hamilton
26 ratingsExposed as the Second Dreamer, Araminta has become the target of a galaxywide search by government agent Paula Myo and the psychopath known as the Cat, along with others equally determined to prevent-- or facilitate --the pilgrimage of the Living Dream cult into the heart of the Void... -
Quantum Roots by Kyle Keyes
18 ratingsFederal agents, Alexis Grumman and Jeremy Wade track down a current day vigilante, whose fingerprints match those of a Korean War veteran. Author Kyle Keyes uses characters from two previous novels, to promote a theory that particle energy formats with a quantum root system, that can bypass time and space... -
The Ancestor by Lee Matthew Goldberg
18 ratingsA man wakes up in present-day Alaskan wilderness with no idea who he is, nothing on him save an empty journal with the date 1898 and a mirror. He sees another man hunting nearby, astounded that they look exactly alike... -
Affliction by Adrienne Lecter
8 ratingsSomething is rotten in the state of California… The dawning civil war has ended in a truce. Scavengers and traders all over the country are settling down for the long, hard winter to come. With their new camp outside the maze of New Angeles at the coast growing every day, Bree, Nate, and the gang have their hands full—yet something is not quite right... -
A.L.I.V.E. by R.D. Brady
10 ratingsAre we alone in the universe?The United States government has known the answer for decades.And that answer is about to escape.Reports of unknown objects in the sky date back hundreds of years. But since the early twentieth century, the frequency of those reports has increased dramatically... -
Leap by Michael C. Grumley
24 ratingsONE OF MANKIND'S GREATEST LEGENDS HAS BEEN DISCOVERED.SOMETHING EVERY CIVILIZATION HAS SEARCHED FOR...BUT NOT WHAT ANYONE WAS EXPECTING.Facing the cold, clear glass, Alison Shaw stared nervously into the giant seawater tank.It was just one year ago that she and her team of marine biologists had stunned the world with their incredible breakthrough.And now...they were about to do it again... -
Stolen Thoughts by Tim Tigner
16 ratingsHow would your life change …if you could read another’s thoughts?If you were the one …to break the biological code?Imagine John Grisham meets Michael Crichton in a fast-paced, philosophical mystery thriller._______________________________________There’s been a breakthrough on the campus of Caltech. A discovery. An invention... -
Earth Bound by Michael Anderle
6 ratingsIt’s one stranded ex-lawman against a world full of homicidal psychopaths. Psychopaths who might, or might not, be human.Intergalactic lawman Terry Victor is betrayed by fellow officers and sent to a backwater planet on the interstellar arm of the universe.In short, he was sent to the planet called Earth.Fed up, he quits in a fit of disgust and seeks a peaceful retirement among the humans... -
Destruction by J.M. Madden
6 ratingsGoing back into the torture camp where he’d been so brutally abused is the last thing Navy SEAL Drake Fontana wants to do, but if there are other men being experimented upon he has to be the one to get them out. And he has to give them an option other than to be a test subject to the Silverstone Collaborative, the pharmaceutical company funding the diabolical experiments... -
-
Mount Fitz Roy by Scott Sigler
8 ratingsMOUNT FITZ ROY is the long-awaited sequel to the Audible & Amazon bestseller EARTHCORE. The cataclysm in Utah's Wah Wah mountain range left the skies thick with ash, and the surface littered with corpses. The survivors of Earthcore's ill-fated platinum mining expedition move forward, looking to the Andes for the next find — a trillion dollar motherlode that will make them rich ... or dead...Categorized as:
first-contact military action-adventure adult aliens alternate-history audiobook book -
State of Vengeance by Summer Lane
8 ratingsVengeance is coming. Monterey Bay, California, has barely survived a brutal attack from the evil invasion forces of Omega, and Cassidy Hart is exhausted. She has lost a friend and gained a new enemy. The militias seem to be weakening, and Omega seems to be getting stronger... -
The Other Side of Dawn by John Marsden
25 ratingsSince their home was invaded by enemy soldiers and transformed into a war zone, Ellie and her friends have been fighting for their lives. Now a resolution may finally be in sight. But as enemy forces close in on her hideout, Ellie discovers that the final conflict just may be the most dangerous yet. And not everyone will survive... -
Kral by Ava Ross
10 ratingsA stoic Vikir warrior meets his match in a spunky Earth woman determined to show him what he's been missing.After she's kidnapped on her way to Crakair, Mila's not sure she'll ever meet her arranged mail-order alien match. Until Kral falls--literally--on top of her during his heroic rescue mission... -
Alien Collective by Gini Koch
10 ratingsDespite not having run for office, nor wanting to remain in office, Representative Jeff Martini is being wooed as the vice presidential running mate for a charismatic senator who seems likely to win the campaign... -
Chrysalis by S.E. Harmon
10 ratingsA gunshot to the head is bad enough. Waking up with amnesia is far worse. I learn that the hard way when I wake up in the hospital, my memory practically wiped. I don’t know why someone wants me dead. Hell, I don’t even know my name. They say my name is Christian Cross. Too bad that name means nothing to me.I haven’t forgotten everything, though... -
Cascade by Joshua James
10 ratingsOPERATION CASCADE IS UNDERWAY.The changes on Enceladus are causing ripples throughout the solar system — and beyond. But the Artifact isn't done yet.The end is only the beginning...Cascade, the second book in the Saturn's Legacy series, is a sci-fi thriller full of mystery, intrigue, and epic action from the depths of the ocean to the edge of outer space... -
The Night Island by Jayne Ann Krentz
12 ratingsThe disappearance of a mysterious informant leads two people desperate for answers to an island of deadly deception in this new novel in the Lost Night Files trilogy by New York Times bestselling author Jayne Ann Krentz... -
The Hunted by Nicholas Sansbury Smith
14 ratingsThe deadly hunt continues in book two of the bestselling Trackers saga...Five days ago North Korea detonated three nuclear warheads over the United States, triggering an electromagnetic pulse that crippled the country. A second attack destroyed the nerve center of America in a nuclear blast that flattened the nation's capitol... -
Dead Shift by Richard Phillips, MacLeod Andrews
14 ratingsThe NSA’s most brilliant hacker is abducted and the world stands on the brink of cyberwar. The Ripper and his ghost team commandos are called to action, battling a host of enemies ranging from a genius tech-billionaire and the Chinese government to an emerging superintelligence capable of bringing the world to its knees...Categorized as:
first-contact military suspense 21st-century action-adventure adult assassinations assassins -
-
Rendezvous with Rama by Arthur C. Clarke
41 ratingsAn all-time science fiction classic, Rendezvous with Rama is also one of Clarke's best novels--it won the Campbell, Hugo, Jupiter, and Nebula Awards. A huge, mysterious, cylindrical object appears in space, swooping in toward the sun. The citizens of the solar system send a ship to investigate before the enigmatic craft, called Rama, disappears... -
Unto the Breach by John Ringo
16 ratingsSequel to Ghost, Kildar and Choosers of the Slain.Michael Harmon has been there and done that. Rescued co-eds, killed major terrorists, stopped nuclear assaults. Now he'd just like to kick back and relax with his harem of lovelies. Unfortunately, the world keeps turning... -
Infinity Born by Douglas E. Richards
18 ratingsA breathtaking near-future thriller. From the NY Times bestselling author whose books have been downloaded over a million times.When DARPA's billion-dollar program to create Artificial Superintelligence is sabotaged, US operative Cameron Carr is tasked with finding the culprit. He's been on high-stakes missions before, but this time the stakes are nothing less than the future of humanity... -
BrainWeb by Douglas E. Richards
18 ratingsWhen the Academy Awards become the target of a brutal terror attack, only one man can stave off massive bloodshed.MIND'S EYE, the novel that introduced Nick Hall, was a runaway Kindle bestseller. Now Hall returns in a riveting stand-alone thriller, set in an Internet future that is just around the corner. From the New York Times bestselling author of WIRED... -
A Pivot in Time by Douglas E. Richards
18 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:
first-contact military suspense action-adventure adult aliens alternate-history audiobook -
Pandemic by Scott Sigler
18 ratingsThe explosive conclusion to the New York Times bestselling trilogy that began with Infected and Contagious.The alien intelligence that unleashed two horrific assaults on humanity has been destroyed. But before it was brought down in flames, it launched one last payload-a tiny soda-can-sized canister filled with germs engineered to wreak new forms of havoc on the human race... -
Burning For Revenge by John Marsden
25 ratingsThe action doesn't let up in the most explosive Tomorrow book yet -- another international bestseller from John Marsden. The journey to Stratton isn't an easy trip, especially when the enemy's headquarters lie somewhere along the way. And that's exactly where Ellie and her friends unwittingly find themselves... -
Masters of the Broken Watches by Razi Imam
6 ratingsAn action adventure like Indiana Jones, a science adventure like Jurassic Park and a human feel-good story like Slumdog Millionaire.Masters of the Broken Watches is a must-read.Sebastian Miles and his team of marine biologists stare at their watches. Time outside their lab has jumped forward by twenty-two hours... -
Uncommon Bravery (Tinker/Knight Adventures Book 1) by Jamie McFarlane
6 ratingsThe bugs have arrived and the invasion of Earth has begun. An intrepid group of friends will stop at nothing to defend their home. A massive fleet of aliens arrived weeks back and have been battling it out with the combined fleets of mankind's most powerful nations. The war for humanity's very existence has begun and it's not going very well... -
Deleted by Ruth Mitchell
6 ratingsThree things happen when technophobe Lucy learns to mindhack.1. Her brilliant crush becomes her boyfriend2. Together they solve small crimes.3. She’s deleted from his memory-and everyone else’sNow the only person looking for the college freshman is a mysterious young hacker who erases memories for profit. If he finds her, he will wipe out her memories-or worse... -
-
State of Destruction by Summer Lane
6 ratings"Lane is surely worth picking up and reading, whoever you may be." - Daniel M. Harrison, #1 Bestselling Author of Butterflies and Editor of MarxRand The destruction of California is at hand. Cassidy Hart and Chris Young have survived a dangerous mission into the heart of Sky City, a secret Omega base hidden deep in the mountains, but their vengeance has come with a price... -
Stone Cold Cyborg by Cara Bristol
6 ratingsDante Stone is an emotionless cyborg who commands a military space fighter. His ship picks up an SOS call from a settlement on the outer edge of Alliance territory, but by the time he can get there, most of the colonists have been massacred. He rescues the traumatized survivors, including archivist Miranda Lowell and her robot dog... -
Alien Betrayed by Julie K. Cohen
6 ratingsTrust no one…. Not the Brotherhood… nor the enticing human female working for them.RemmikovTrust no one. It’s a motto Remmikov has lived by since before the war. Now, he’s been framed for the bombings in Zyan’s capital and he is on the run from his own people. As the son of a traitor, no one will believe he’s innocent... -
Fire in the Heart by Hailey Turner
8 ratingsSurrender to vows. Staff Sergeant Alexei Dvorkin has come a long way since being turned into a metahuman, and all he wants to do is marry the man he loves. A wedding is easy, but it’s the honeymoon where his past unexpectedly catches up with him. A future together. All Agent Sean Delaney wanted was a romantic honeymoon with his new husband... -
The Bronze Skies by Catherine Asaro
8 ratingsMajor Bhaajan achieved the impossible. Born Undercity, the slums below the City of Cries on the planet Raylicon, she broke free to become a military officer with Imperial Space Command. Now retired from military duty, she works as a private investigator on retainer to the Majda Family.Hired by The Ruby Pharaoh herself, Major Bhaajan is tasked with finding a killer... -
Control by David Mack
8 ratingsFrom the New York Times bestselling author David Mack comes an original, thrilling Section 31 novel set in the Star Trek: The Next Generation universe!No law…no conscience…no mercy. Amoral, shrouded in secrecy, and answering to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group pledged to defend the Federation at any cost...
Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.