Endgame

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.

Bradford Swain Linaweaver (born 1952) is a Nebula Award finalist for the novella version, and Prometheus Award winner for the novel version of Moon of Ice. His other novels include Sliders (based on the television series) and The Land Beyond Summer.Doom Collaborative novels are four best-selling novels with Dafydd ab Hugh, three Battlestar Galactica novels with actor Richard Hatch, and Anarquia with J. Kent Hastings, from James A. Rock & Co., Publishers: Sense of Wonder Press. Linaweaver has sold over eighty short stories, and three hundred articles, as well as various scripts and original stories that have been produced as audio dramas and low budget movies.