This essential guide to safety in the field features 90 venomous animals and more than 250 poisonous plants and fungi. The 340 line drawings make identification fast and simple; 160 species are also illustrated with color photographs. About the Author Roger Tory Peterson, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars. These editions include updated material by Michael O'Brien, Paul Lehman, Bill Thompson III, Michael DiGiorgio, Larry Rosche, and Jeffrey A. Gordon.