Aliens / Predator / Prometheus Universe is a 74-book series with 74 released primary works first released in 1979 with contributions by Mark Verheiden, Mark A. Nelson, Den Beauvais, Sam Keith, Steve Perry, Stephani Perry, Yvonne Navarro, S.D. Perry, Michael Jan Friedman, Diane Carey, John Shirley, B.K. Evenson, Alan Dean Foster, Walter Simonson, Archie Goodwin, Paul Monette, John C. Thomas, James E. Thomas, Simon Hawke, Jim Thomas, John Thomas, Randy Stradley, Stephen R. Bissette, John Arcudi, Mike Richardson, Peter Milligan, Jerry Prosser, David Bischoff, Brian Garvey, J. Somerville, Robert Sheckley, Ian Edginton, William Simpson, Nathan Archer, Chris Claremont, A.C. Crispin, Kathleen O'Malley, Sandy Schofield, Kristine Kathryn Rusch, Dean Wesley Smith, Dark Horse Comics, Marc Cerasini, Robert Greenberger, Jeff VanderMeer, John Wagner, Jonathan Maberry, Bryan Thomas Schmidt, Jeremy Robinson, Andrew Mayne, Kevin J. Anderson, Mira Grant, Larry Correia, Dayton Ward, Tim Lebbon, James A. Moore, Christopher Golden, William Gibson, Scott Sigler, Alex White, Weston Ochse, Louis Ozawa Changchien, Maurice Broaddus, David Barnett, Mary SanGiovanni, and Brendan Deneen.