Weyerhaeuser Environmental Books is a 18-book series with 18 released primary works first released in 1991 with contributions by Arthur R. Kruckeberg, Nancy Langston, William G. Robbins, Mark Cioc, Paul S. Sutter, Coll Thrush, William Wyckoff, David Stradling, Marsha L. Weisiger, Robert M. Wilson and 7 others.