His debut novel, The Mirrored Heavens, was described as "Tom Clancy interfacing Bruce Sterling" by Stephen Baxter, and is part of the Autumn Rain Trilogy, with a sequel entitled The Burning Skies released in June 2009.
However Williams has responded in interviews that the Autumn Rain trilogy is more of a hybrid spy-thriller and science fiction work than strictly cyberpunk.
[4] Williams keeps an active blog at his website, and comments on various future weapons, war strategies and terrorism.
[5] Williams is credited with story concept for Relic Entertainment's videogame Homeworld.
[6] Williams was lead writer on the January 2016 game Homeworld: Deserts of Kharak.