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, and the Peterson Field Guides® are credited with helping to set the stage for the environmental movement.
George A. Petrides, a veteran field naturalist, is professor of fisheries and wildlife at Michigan State University in East Lansing. He is the author of A Field Guide to Eastern Trees, A Field Guide To Trees and Shrubs, and the Peterson First Guide to Trees.
Olivia Petrides is a contributor for Houghton Mifflin Harcourt titles including: "Peterson FlashGuides - Trees".
Janet Wehr is a contributor for Houghton Mifflin Harcourt titles including: "Peterson FlashGuides - Trees".