A peaceful planet needs a miracle to survive an alien onslaught. It's got the Strike Carrier Breitenfeld.
The Xaros, a galaxy-wide scourge of murderous drones, have their sights set on the planet Takeni. Captain Isaac Valdar volunteers his ship to defend the innocent civilians and evacuate every one he can. Pressed by an alien fleet in space and a horrifying foe on the surface, the Breitenfeld must risk everything to save the doomed populace.
Blood of Heroes is the latest installment in this epic military sci-fi series. The Ember War saga continues

Betrayed by allies. Beset by new foes. Earth faces its darkest hour since the Xaros invasion. The Toth come to the solar system with a fleet of warships, and they demand the only tool that can rekindle the human race. It falls on Marine Lieutenant Hale to negotiate a pact that will save the human race at the cost of its soul, or start a war with a race of alien predators. The latest action packed-chapter of the Ember War Saga continues with EARTH DEFIANT.

Only an ember of humanity survived the first Xaros invasion. Now, the Xaros return to deliver the final blow to Earth and her defenders.
A moon carrying an armada of Xaros drones unleashes its deadly cargo on the solar system. Fortress Mars stands between the enemy and an ill-defended Earth. While the battle rages over the red planet, the " Breitenfeld " must launch a desperate mission to Pluto to cut off enemy reinforcements.
Earth stands on the brink of ruin, and humanity needs every hero it can find to turn back the tide of destruction.
The Ember War enters its final stages in...

The Xaros broke against Earth's defenses, but the war may be lost.
The alien ships of former allies rule Earth's skies, threatening to obliterate cities and turn the planet into a barren wasteland if humanity refuses their demands.
With their backs to the wall, the scattered crew of the Breitenfeld must work together to foil the enemy's plan before time runs out.
The path to freedom leads through THE CRUCIBLE.