Infernal Sky
Hawaii – last outpost of civilization on an Earth overrun by demons, traitors. and nightmarish creatures straight out of the pits of hell. Humanity seems doomed to a bloody ending. Then Hawaii receives a message from aliens claiming to be on our side in the battle. Our last chance: make contact. The only man for the job – Corporal Flynn Taggart, U.S. Marine Corps – "Fly" to his friends. He led the fight against the demon invaders when they swarmed through the Gates at Phobos Base. Now Fly's got to face the toughest task of his dirty career. Return to Phobos – and fight his way past those demons to contact mankind's would-be rescuers...
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Dafydd ab Hugh
Dafydd ab Hugh (born David Friedman, 1960) is an American science fiction author. In the 1980s he served in the United States Navy training to be a Radar Intercept Officer, hoping to be selected to become an astronaut.
Ab Hugh is most noted for writing fiction in media franchises, including several novels for the Star Trek franchise. He also wrote four novels associated with the game Doom, as well as unrelated short fiction. His most noted story, "The Coon Rolled Down and Ruptured His Larinks, A Squeezed Novel by Mr. Skunk", was nominated for the Hugo Award and Nebula Award.
Source: Wikipedia.
Doom
Doom consists of four books. The current recommended reading order for the series is provided below.
