Mark Wayne McGinnis

The enemy didn't go extinct. They went hunting. Retired (again) from the U. S. Space Navy and settling into ranch life with Captain Gail Pristy—the woman he loves—Quintos thought his war-fighting days were behind him.

Captain Galvin Quintos commands humanity's most advanced battle group in a desperate mission to the galaxy's edge, where the Techno-Mycoids have returned with unprecedented force.

Brian Polk had been stateside for barely a year after leaving the Air Force when the unthinkable happened. It was an interstellar invasion. The Earupitans' technology and weaponry was so remarkable, humanity never really had a chance....

Captain Jason Reynolds is back! In the third installment of the Scrapyard Ship sci-fi adventure series, Space Vengeance, Jason, his family, and The Lilly's crew face the impending destruction of their internal nano-devices....

After destroying much of Jhardon and the Mau planet of Carz-Mau, an elite Vanguard fleet of seven Craing dreadnaughts, planet killers, enters Earth’s orbit. Captain Jason Reynolds and the crew aboard his Caldurian ship, The Lilly, are once again pulled into action....

Captain Jason Reynolds and his team—Billy, Rizzo, and the rhino-warrior, Traveler—must attempt to rescue Ricket and Gaddy, still held captive aboard the impregnable Dreathlor prison barge. Only then can Jason return to The Lilly, his highly advanced Caldurian vessel....

Captain Jason Reynolds and his team are up against a new and unexpected foe - an adversarial force that has every intention of aligning with the powerful and dreaded Craing Empire. The enemy strikes from Earth’s high orbit, deploying five time-shifting spheres....

In bygone days, Star Watch would’ve rushed to the rescue. But those once-mythic defenders of the galaxy? They’ve faded into whispers and old tales....

The year is 2117. In the farthest reaches of Earth's territorial space, a spree of depraved murders has local cattle ranchers fearing for their families. A fear, they will soon discover, that is more than justified....

Captain Jason Reynolds faces new challenges, not only on Earth, but from the far side of the universe as well. The only way to stop the Craing this time will be to square off with them on their home turf....

In his oppressively small 10x10 cell at the Norfolk Naval Station’s Brig, Captain Galvin Quintos sits awaiting his impending court-martial when he's unexpectedly contacted by Fleet Commander Admiral Block. He’s proposing an off-book, secret operation....

Thousands of crew are reported dead, including the ship’s captain. Reluctantly, the young XO, Galvin Quintos, will be taking command of the fleet's crippled dreadnaught, the USS Hamilton, while doing his best to bring fleet survivors back to Earth....

Galvin Quintos has agreed to enter into a competition that will keep Aubrey Laramie’s family from going into financial ruin. The catch? Most competitors don't survive.

The situation is dire. The Alliance is crumbling. Thine, Pleidian, and Human civilizations are each at a crossroads for their very survival. Captain Galvin Quintos has a plan to defeat the Grish and the far more dangerous Varapin. But to pull this off, he’ll have to go it alone....

Lieutenant Commander Jason Reynolds has had a string of bad luck lately - evident by the uncomfortable house arrest bracelet strapped to his right ankle. Worse yet, he’s relegated to his grandfather’s old house and rambling scrapyard....

Intel from the Alliance raises the alarm: Earth is teetering on the brink of an impending attack. Quintos, reluctantly pulled back into service by the EUNF, finds himself up against untenable odds.

In the dying embers of an interstellar war, newly appointed Fleet Commander Galvin Quintos stands as humanity's last hope, staring down the maw of oblivion.

Moving on from the trauma of combat in Afghanistan, former Green Beret Captain Sam Dale has just begun to settle down in his hometown of Castle Rock, Colorado. Now the owner of several small businesses, he is unaware that his world is about to be turned upside down....

After the recent near-destruction of the USS Hamilton, Captain Galvin Quintos has been lying low, getting the USS Jefferson ready for service. In the midst of refurbishing the vessel, he gets a call for help from his former XO, new starship captain Gail Pristy....

Caught in a deadly game of interstellar cat and mouse with a new and vile alien enemy, Captain Galvin Quintos will be forced to make choices no US Space Navy Captain should ever have to make—including who among those he cares most about should live or die....