War World is a 11-book series with 11 released primary works first released in 1988 with contributions by John F. Carr, Don Hawthorne, John Dalmas, John LaValley, Phillip Pournelle, John Hartnett, Harry Turtledove, Susan Shwartz, S.M. Stirling, Kristin Butcher, William F. Wu, E.R. Stewart, and Donald Hawthorne.