Troy Rising Series by John Ringo

First Contact Was Friendly When aliens trundled a gate to other worlds into the solar system, the world reacted with awe, hope and fear. But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief. Who Controls the Orbitals, Controls the World When the Horvath came through, they announced their ownership by dropping rocks on three cities and gutting them. Since then, they've held Terra as their own personal fiefdom... moreFirst Contact Was Friendly When aliens trundled a gate to other worlds into the solar system, the world reacted with awe, hope and fear. But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief. Who Controls the Orbitals, Controls the World When the Horvath came through, they announced their ownership by dropping rocks on three cities and gutting them. Since then, they've held Terra as their own personal fiefdom. With their control of the orbitals, there's no way to win and earth's governments have accepted the status quo. Live Free or Die. To free the world from the grip of the Horvath is going to take an unlikely hero. A hero unwilling to back down to alien or human governments, unwilling to live in slavery and with enough hubris, if not stature, to think he can win. Fortunately, there's Tyler Vernon. And he has bigger plans than just getting rid of the Horvath. less

Of all the hosts of Eurotas the Troias were the most fell. For they were born of Winter.Between the Solar Array Pumped Laser and Troy, the two trillion ton nickel-iron battlestation created by eccentric billionaire Tyler Vernon, Earth has managed to recapture the Sol system from their Horvath conquerors and begin entering the galactic millieu.But when the Rangora Empire rapidly crushes humanity's only ally it becomes clear the war is just beginning... moreOf all the hosts of Eurotas the Troias were the most fell. For they were born of Winter.Between the Solar Array Pumped Laser and Troy, the two trillion ton nickel-iron battlestation created by eccentric billionaire Tyler Vernon, Earth has managed to recapture the Sol system from their Horvath conquerors and begin entering the galactic millieu.But when the Rangora Empire rapidly crushes humanity's only ally it becomes clear the war is just beginning. At the heart of nickel iron and starlight are the people, Marines, Navy and civilians, who make Troy a living, breathing, engine of war. Survivors of apocalypse, they know the cost of failure.If this Troy falls, no one will be left to write the epic.Citadel continues the saga begun in Live Free or Die, following the paths of several characters during the first years of The Spiral Arm Wars culminating in the First Battle of E Eridani. less

New York Times Best-Selling Author.The Big Showdown with an Alien Empire, to Keep the Earth Free—and Maybe Free the Galaxy as Well. The fight to free the Earth from alien domination began in Live Free or Die, and continued in Citadel. Now Tyler Vernon, and his troops aboard the gigantic battle station Troy, face a desperate battle with the forces of galactic tyranny. And the very survival of the Earth and its people is not all that is at stake... moreNew York Times Best-Selling Author.The Big Showdown with an Alien Empire, to Keep the Earth Free—and Maybe Free the Galaxy as Well. The fight to free the Earth from alien domination began in Live Free or Die, and continued in Citadel. Now Tyler Vernon, and his troops aboard the gigantic battle station Troy, face a desperate battle with the forces of galactic tyranny. And the very survival of the Earth and its people is not all that is at stake. The galaxy itself must choose to live free or die—and if the tyrants win this battle, darkness will fall across the galaxy for millennia to come. less