Three complete novels. Thirty-three hours of survival action. If you're a fan of Robert A. Heinlein, Jean Auel, and S. M. Stirling, you're going to love Jack L. Knapp. Thousands of copies have been downloaded. This is survivalism at its best...in an Earth that never knew humans!

Back from his final deployment with the US Marines, Alan Carson is hiking across New Mexico’s Gila Wilderness to ponder his future and put the war in his past. When his best friend and squad leader, Sergeant Kurt Timms, took a Taliban bullet because of bad intel, Alan made a promise to his dying friend. He would come here to see the rugged mountains that were Kurt’s boyhood stomping grounds. But deep in a trackless canyon, miles from any trail, Alan finds something else: the body of a dead man at the foot of a cliff, an ancient cave…and a passageway too intriguing to ignore.

Ryo was a chef, an extremely good one at that. That was until the entire universe as he knew it changed. After his spaceship is attacked and destroyed by an enemy armada, he finds himself in a situation he never could have imagined. Sent back in time and to an alternate reality, he has quite a few choices to make. Especially considering that the ruthless Kublai Khan and his Mongol Horde are just a few years away.

During the test flight of a prototype faster-than-light craft, Lt. Commander Ky is flung into an ancient past that never existed. Rome has fallen, defeated by the mighty Carthaginian Empire, its survivors chased off the continent and onto what had been the remote province of Britannia. Hounded by the Carthaginians bent on conquering the known world, Rome is on the verge of destruction. Stranded and alone, except for a tactical AI implanted in his head, Ky has lost everything and must find a way to live in a world different than anything he's ever known.

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.

Benjamin Colt is a Green Beret damaged by circumstance. While others have stumbled into honor, each time the prize of combat is dangled in front of him, it’s snatched from his grasp. There’s nothing for a professional warrior to do except keep getting up no matter how many times he’s knocked down, hoping that the next time will be the one that brings him his day of days.

Chuck, a 15-year-old hardened war orphan has seen friends killed, and now lies dying on a salvage battlefield himself. But the universe has a different plan for Chuck. A mortally wounded man offers to save his life, and Chuck accepts his help. A moment later, Chuck regrets his decision, when his rescuer forces Chuck’s mouth open and a reptilian octopus is ejected from his rescuer’s mouth and into his.

Knocking at death’s door. Bargaining for a second chance. Seems like a heck of a way to find out about an alien invasion.... Vietnam vet Albert Jenkins is battling a bulging waistline and a passion for drink. So when a towering pile of scrap rocket parts falls and crushes the stubborn curmudgeon, he thinks it’s finally the end. But just as he’s about to take one final breath, a snarky alien parasite offers him a deal: His life in return for sharing his body.

After discovering six gold Roman coins buried in the mud of the Devil's Dyke, Barnabas Sackett enthusiastically invests in goods that he will offer for trade in America. But Sackett has a powerful enemy: Rupert Genester, nephew of an earl, wants him dead. A battlefield promise made to Sackett’s father threatens Genester’s inheritance. So on the eve of his departure for America, Sackett is attacked and thrown into the hold of a pirate ship.

The discovery of an ancient alien pyramid buried under the ice in Antarctica changes Earth forever. We learn that we are the forgotten slaves of a galaxy spanning empire called the V'kit'no'sat who abandoned our planet 100,000 years ago during a massive rebellion. Our ancestors, the Zen'zat, were given special genetic powers and ordered never to reproduce under pain of death...for themselves and their offspring. That means Earth's entire population is illegal and if the V'kit'no'sat return to reclaim their lost border colony they'll wipe out every last one of us.

The year is 1823, and the trappers of the Rocky Mountain Fur Company live a brutal frontier life. Hugh Glass is among the company's finest men, an experienced frontiersman and an expert tracker. But when a scouting mission puts him face-to-face with a grizzly bear, he is viciously mauled and not expected to survive. Two company men are dispatched to stay behind and tend to Glass before he dies. When the men abandon him instead, Glass is driven to survive by one desire: revenge.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

In the year 2045, an MRI mishap transmits Tabitha Moore's mind back into her body in the past. Now it's 1998. She's 13 years old, and she has to confront her long miserable lifetime of failures—and, once again, being trailer trash—all over again...or does she?

After more than 20 years in special operations, USMC Gunnery Sergeant Wolf Mathison wasn’t looking forward to retirement when—implanted with an experimental artificial intelligence—he deployed on his last mission with a platoon of Marine Raiders being sent to the Jovian moon Europa. The USS Jefferson was destroyed en route, though, and only Mathison and three other marines survived. Trapped in stasis, they were hurled into the outer reaches of the solar system, where they wouldn’t be found for hundreds of years.

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.