John Ringo

Several years after an experiment that opened a gateway from central Florida into other dimensions, Doc Weaver, adapts an alien star drive to a nuclear submarine and creates humanity's first warp-capable star ship. The goal of Capt. Steven Blankemeier and Cmdr. Clay White of the Alliance Space Ship's is to scout out worlds contaminated by the alien Dreen.

The space ship Vorpal Blade is sent out to investigate an unidentified alien assault on a gate colony.

Swords, Sex, and Rockets! Paradise falls. Humanity is thrown back to an age of steel and blood. Now the fuel that powers the ''changed'' world is up for grabs in an orbiting spacecraft. With only days to plan, rough and ready paladin Herzer Herrick must assemble a team of expert warriors capable of both seat-of-the-pants engineering and hand-to-hand combat in space. In the meantime, Herzer must face his own demons as he waits for his emotionally-scarred...

In the fourth Looking Glass novel, the "Vorpal Blade" is dispatched to investigate rumors of an ancient and powerful civilization that may have been the creators of the black box that drives humanity's only space ship. Any remnant technology would be nice, but what the "Vorpal Blade" finds is much more than its crew had bargained for.

In this breathless page-turner, the latest in the Posleen military SF series from Ringo and Kratman (Watch on the Rhine), Latin America falls to the reptilian alien invaders without much struggle, except for Panama. There, members of the U.S. military enlist local forces and desperately resist.

After the Earth is invaded by the voracious Posleen, Lt. Gen. Michael O'Neal discovers evidence that the Galactic Confederation's Darhel leaders have been manipulating humanity to keep them from subverting the galactic order. Before O'Neal can take action, a new and totally unexpected threat, the Hedren, disrupt the Darhel sabotage. With the Confederation's capital in danger of falling to the Hedren, O'Neal must organize a counterattack despite widespread...

"With human civilization annihilated by a biological zombie plague, a rag tag fleet of yachts and freighters known as Wolf Squadron scours the Atlantic, searching for survivors. Within every abandoned liner and carrier lurks a potential horde of zombies but also holds the flickering hope of survivors. Now Wolf Squadron must clear the assault carrier USS Iwo Jima of infected before the trapped Marines and sailors succumb to starvation"--Provided by...

With the help of some alien technology, the humans on two worlds had fought back the ravening Posleen hordes. Now the survivors of Barwhon and Diess Expeditionary Forces take time to regroup and renew themselves, while on Earth they build a new force of recruits, as the Posleen hordes once again prepare to descend on Earth.

Tyler Vernon plans his revenge on the Horvath, who have exploited an interstellar gate to the Earth's solar system in order to destroy three of the planet's cities and announce their intentions to take over.