Leslie Day is a New York City naturalist and the author of Field Guide to the Natural World of New York City and Field Guide to the Street Trees of New York City, also published by Johns Hopkins. Dr. Day taught environmental science and biology for more than twenty years. Today, sheleads nature tours in New York City Parks for the New York Historical Society, the High Line Park, Fort Tryon Park Trust, Riverside Park Conservancy, and New York City Audubon. Trudy Smoke is a professor of linguistics and rhetoric at Hunter College, City University of New York and a nature illustrator. She is the illustrator of Field Guide to the Street Trees of New York City. Beth Bergman is a photographer for the Metropolitan Opera who has been documenting nature for forty-one years. Her photographs have appeared in numerous publications, including the New York Times, Newsweek, New York Magazine, Opera News, and Paris Match.