Werewolf: The Apocalypse Revised Tribebooks is a 12-book series with 12 released primary works first released in 2001 with contributions by James Kiley, Ellen P. Kiley, Matthew McFarland, Brian Campbell, Jim Comer, Forrest B. Marchinton, Adam Tinworth, Chris Campbell, Bjorn T. Boe, Deirdre Brooks and 7 others.