When former soldier Everett Cole signed on to help colony planets prepare for joining the Federation, his employers were more than a bit vague about their identity and his duties. Ditto when - 11 light-years from Earth - he met his partner, Edgar Millen, an enigmatic man with a fetish for the mythology and language of the American Wild West. It wasn’t until they reached the colony world of Astrild that the mission became clear (somewhat). Cole and Millen were hired guns, tasked with removing impediments to order and justice - the methodology left open-ended.

Jack Kernigan is having a bad day...a bad year...a bad life. After being booted out of MIT, he’s back in his Ohio hometown, working for the family business, facing a life of mediocrity. Then one day, out on a delivery, his truck hits...something. Something big...something furry...something invisible. And, it turns out, something not of this Earth. Fate can play funny tricks. Which is why Jack suddenly finds himself the planet’s best hope to unravel a conspiracy of galactic proportions that could spell the end of the human race. 

Joe Colsco boarded a flight from San Francisco to Chicago to attend a national chemistry meeting. He would never set foot on Earth again. On planet Anyar, Joe is found unconscious on a beach of a large island inhabited by humans where the level of technology is similar to Earth circa 1700. He awakes amid strangers speaking an unintelligible language and struggles to accept losing his previous life and finding a place in a society with different customs, needing a way to support himself and not knowing a single soul.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

Colton Beck has six months to live. He works for the Angor near Los Angeles, aware that any day could be his last. The Angor arrived 20 years ago, resolved to help mankind survive, but not everyone believes their motives are honorable. When the Angor offer humanity a colony world, Colton is determined to see another planet before his final breath. He’s been diagnosed with Xeno, a rare disorder that surfaced with the Angor’s arrival, but he won’t let this stop him.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

In 2018, Canadian archaeologist Ron Jackson makes a mind-boggling discovery in Antarctica - right before disappearing without a trace, leaving behind only his controversial theory that humans have lived on Earth far, far longer than we think they have. Decades later, in 2042, when Jackson's wife dies under mysterious circumstances, an unlikely pair of investigators, Agatha Devenworth and Pano Hofer, begin investigating whether her death might be connected to Jackson's disappearance. 

Mysterious gateways are appearing throughout the universe, bridging violent civilizations, leading to war, and sowing chaos. While some species succumb to the pandemonium, the Chut’un forge an unholy symbiotic relationship—The Order—with red Europhids, a vast hive intelligence populating the universe’s far reaches. Desiring structure and fearing the unknown, they cull everything opposed to their plan, including the Europhids’ blue counterparts, carrying out a galactic genocide until only one blue Europhid remains...inside Moses Montgomery, a.k.a. "Dark Horse".

The wall just didn’t look right. Alex has been trying to cope. Life after his deployment had been rough. His ex-wife thought he needed to stop disappointing their daughter. She was right. He would try harder. With six hours before his little girl’s fourth birthday party, he saw the anomaly. One wall was too short. Plenty of time to tear out a panel and look behind it. He found a brick wall. His house wasn’t made of brick. Behind that was another just like the first. He still had time. When the second wall came down, Alex stood and stared at the shining doorway.

American scientist Matt Miller is torn from his own century and dropped into Colonial America with nothing except a backpack. His phone, his money, and his identity are all useless and he quickly finds that he is foreign and alone in his own country. Matt must meet the challenge to survive in a newly forming society where he seemingly has no relevant skills and no one he can count on. He suspects that his 21st century knowledge of science and technology could make him a king in the New World, but he quickly finds that 18th-century America is a dynamic place where nothing is guaranteed.

An elite team of SAS special operators battle across the multiverse after a plague of land-hungry sentient robots invade today’s Earth. But, when an aircraft carrier-based counterattack goes horribly wrong, it traps the team in an alien universe with a top-secret group who’ve already saved the world twice. After discovering a dark plot that threatens humanity’s very existence, the two groups jump into action, fighting both on the surface and in orbit in a last-ditch effort to stop the enemy before time runs out.

All Thomas Weaver wanted was death. What he got was time travel. Thomas Weaver, haunted by a teenage tragedy, lived a wasted life. He closed his eyes for what he believed was the last time in 2016, but opened them again in his teenage bedroom and body in 1976. Now a middle-aged man in his teenage body, he sets out to fix everything he did wrong in his first life. A budding serial killer in home room, a possible new romance, and high school algebra complicate his plans. What would you do, if you could do it all again?

When a viral apocalypse kills 97 percent of the people on the planet, the survivors' humanity is hanging by a thread. Amid the leftovers of civilization, ex-Army Ranger Jason Larsen is reminded of the meaning of hope, family, and loyalty by a dog and a young boy who are as alone as he is. The survivors he seems to collect become family, and that is very bad news for those who think they run the apocalypse.

Rex Walker always wanted to be like his father: a daring, adventurous man, traveling the world in pursuit of mysterious relics. While teaching anthropology at a Boston college, Rex attempts to bury the past, until he discovers a hidden clue he can’t ignore. With the help of a former student, he teams up with an alien-obsessed billionaire, and they search for the fabled Bridge. As an unidentified object nears Pluto, speculation surges. Some hail it as the homecoming of a distant alien race, and this cult is unwavering in their efforts to usher our world into a new era.