Dragonlance Universe is a 52-book series with 51 released primary works first released in 1900 with contributions by Margaret Weis, Tracy Hickman, Don Perrin, Paul B. Thompson, Douglas Niles, Mary L. Kirchoff, Barbara Siegel, Roland J. Green, Michael Williams, Nancy Varian Berberick, Richard A. Knaak, Steve Winter, Tina Daniell, Ellen Porath, Jean Rabe, Dixie Lee McKeone, Stan!, Steve Miller, Stan Brown, Tonya C. Cook, Chris Pierson, Douglas W. Clark, Lucien Soulban, Stephen D. Sullivan, Peter Archer, and Andrew Dabb.