By Douglas W. Smith and Gary Ferguson. In the winter of 1995-96, 31 Canadian gray wolves were set free in Yellowstone. The project's leader and an award-winning nature writer recount the intimate details of this historic endeavor, one of the most controversial feats of conservation in our nation's history. This updated edition includes additional wolf profiles, new information on the effects of climate change and disease, and a retrospective on what the scientists have learned during this extended study of the Yellowstone wolves. Smith and Ferguson weave together scientific discoveries with fascinating tales of the wolves' behaviors. In the end, you will gain a sense of how these animals have survived and completely changed the ecosystem, spilling a fresh measure of wildness across the world's first national park. 2012. Softcover. 240 pages. 6" x 9"