Werewolf: The Apocalypse is a 70-book series with 70 released primary works first released in 1991 with contributions by Bill Bridges, Mark Rein-Hagen, Stewart Wieck, Rob Hatch, Daniel Greenberg, William Spencer-Hale, David Key, Nigel Findley, Tony Harris, Ben Chessell, Marc Rudgley, Heather Heckel, Matt Wagner, James A. Moore, Ron Spencer, Harry Heckel, Brian Leblanc, Brian Campbell, Rustin Quaide, Jackie Cassander, Chris Howard, Steve Brown, Elizabeth Fischi, Sam Inabinet, Ethan Skemp, Joshua Gabriel Timbrook, Emrey Barnes, Steven C. Brown, Phil Brucato, Alan Bryden, Sam Chupp, John Gavigan, Christopher Howard, Izumi Hideo, Kenneth Meyer, George Neal, Roderick Robertson, Ryk Strong, Teeuwynn Woodruff, J. Morrison, Richard Strong, Steve Crow, Richard Kane Ferguson, Richard Dansky, Sue Armstrong, Dee McKinney, Nicky Rea, Heather Curatola, Kathleen Ryan, Andrew Bates, Jackie Cassada, James Ray Comer, Bruce Baugh, Chris Campbell, Heather Grove, James Kiley, Ellen P. Kiley, Matthew McFarland, James Moore, Kraig Blackwelder, Carl Bowen, Bjorn T. Boe, Deirdre Brooks, Sean Riley, Rick Jones, Forrest B. Marchinton, Adam Tinworth, Colin Suleiman, Jim Comer, Bjørn T. Bøe, Bryan Armor, Matt McFarland, Deena McKinney, Chuck Wendig, Erin Flachsbart, Alia Ogron, Brett Rebischke-Smith, and Chris Bowen.