The Last War Series by Peter Bostrom

Earth is under attack. 20 years after the American-Chinese war devastated our worlds, we finally have a tense peace. But legendary American Admiral Jack Mattis, on his inspection tour of the first joint American-Chinese space station, finds himself in the middle of the unthinkable: an alien invasion. Their ships are powerful, their weapons overwhelming. And in the confusion, our tentative peace with the Chinese is shaken to the core... moreEarth is under attack. 20 years after the American-Chinese war devastated our worlds, we finally have a tense peace. But legendary American Admiral Jack Mattis, on his inspection tour of the first joint American-Chinese space station, finds himself in the middle of the unthinkable: an alien invasion. Their ships are powerful, their weapons overwhelming. And in the confusion, our tentative peace with the Chinese is shaken to the core. Taking command of his old battleship, The Midway, Admiral Mattis races the alien fleet to Earth, desperate to prevent the utter destruction of humanity's home. And in Earth's darkest hour, Mattis must unify and lead old adversaries to the fight against a common enemy, one that doesn't care about flags or borders. An enemy driven by malevolent hate and a thirst for blood. An enemy that cares for one thing only: Earth's destruction. less

Earth is reeling. American alliances are shaking. And humanity's enemies rally. For six months after the failed alien attack American Admiral Jack Mattis has been ordered to patrol the periphery to stop more alien incursions. Even though he knows the attackers weren't alien, but grotesque mutated super-humans from the future. A truth world governments publicly deny... moreEarth is reeling. American alliances are shaking. And humanity's enemies rally. For six months after the failed alien attack American Admiral Jack Mattis has been ordered to patrol the periphery to stop more alien incursions. Even though he knows the attackers weren't alien, but grotesque mutated super-humans from the future. A truth world governments publicly deny. And now an American scientist witnesses an experimental super-weapon gone awry at a top-secret genetic lab in deep space, while a rebel veterans group storms a Chinese embassy on an American world. Tensions flare, and the American-Chinese peace begins to fray. Admiral Mattis races to put out the fires, while trying to piece together the mystery of the future human invasion, knowing that failure means not only certain death for him, but for the entire human race. The clock is ticking. less

His son is dead.His ship is dead.His career is dead.But Spectre is very much alive. And with his plans of galactic domination laid bare, Captain James Mattis must gather what allies he can to stop him.Admiral Pippa Spears and the HMS Caernarvon make a mysterious discovery in the wreckage of the USS Stennis, one that could change the outcome of the war... moreHis son is dead.His ship is dead.His career is dead.But Spectre is very much alive. And with his plans of galactic domination laid bare, Captain James Mattis must gather what allies he can to stop him.Admiral Pippa Spears and the HMS Caernarvon make a mysterious discovery in the wreckage of the USS Stennis, one that could change the outcome of the war. And in the uproar after the assassination of the American President she and Captain Mattis race across the galaxy after the suspected shooter, knowing full well the murder is another of Spectre's schemes to throw them off guard while he carries out his sinister plans.Plans that Mattis and Spears are close to unraveling.The cost of failure is unthinkable: a destroyed Earth and an unstoppable immortal foe. less