Tor Books and Visceral Games have announced Dead Space: Martyr, a prequel to the smash-hit original game and the upcoming sequel...

Michael Altman, a geophysicist, investigates a mysterious signal and uncovers a mysterious alien artifact. The story will go on to focus on the Church of Unitology and it's role in the Dead Space universe.

Written by B.K. Evenson, who wrote  "the best horror novel of 2009" Last Days, according to the American Library Association. Tor Books has published books based upon Halo and Bioshock.

Dead Space: Martyr will be released on July 20th, whereas, Dead Space 2 drops first quarter of 2011 for Xbox 360, Playstation 3, and PC.