Dungeons & Dragons Edition 3.5 is a 20-book series with 20 released primary works first released in 1950 with contributions by Richard Henry Dana, Monte Cook, Jonathan Tweet, Skip Williams, Andy Collins, David Noonan, Ed Stark, Wizards of the Coast, Richard Baker, Travis Stout, James Wyatt, Bruce R. Cordell, Ed Greenwood, Eric L. Boyd, Darrin Drader, Joseph D. Carriker, Jennifer Clarke-Wilkes, Jesse Decker, Ari Marmell, C.A. Suleiman, Frank Brunner, Stephen Schubert, Ed Bonny, Gwendolyn F.M. Kestrel, Owen K.C. Stephens, Rodney Thompson, Matt Sernett, Dave Noonan, Robert J. Schwalb, Jason Bulmahn, Rich Burlew, Eytan Bernstein, John Snead, Anthony Pryor, and Greg A. Vaughan.