Vampire: The Masquerade Clanbooks is a 31-book series with 31 released primary works first released in 1992 with contributions by Timothy Bradstreet, Steve Crow, Robert Hatch, Andrew Greenberg, Steven C. Brown, Richard Watts, Daniel Greenberg, Graeme Davis, Keith Herber, Brad Freeman, Tim Bradstreet, Richard Dansky, Elizabeth Ditchburn, Justin Achilli, Sven Skoog, Lucien Soulban, Brian Campbell, Ellen P. Kiley, Jess Heinig, Ethan Skemp, Clayton Oliver, Deird're Brooks, Richard Dakan, Heather Grove, Greg Stolze, Dean Shomshak, James Stewart, Bruce Baugh, and John Chambers.