Guides for the Perplexed is a 17-book series with 17 released primary works first released in 2006 with contributions by Matheson Russell, Mary Klages, Gary Cox, Alex Thomson, Clare Carlisle, R. Kevin Hill, Gerald A. Press, Matthew C. Simpson, Justin Skirry, Celine Surprenant, John Vella, Alan Spence, Ian J. Bickerton, Arvind-Pal Singh Mandair, Theodore Vial, Wouter J. Hanegraaff, and Adam J. Johnson.