Dr. L.L. "Chick" Gaddy has been a consulting biologist and independent scholar for over 35 years. He has managed a small company, written his own reports, carried out his own fieldwork, and done most of his own maps during this period. Dr. Gaddy has been involved in environmental impact studies and environmental assessments on which he has teamed with landscape architects, engineers, economists, and other professionals. He has worked extensively in the fields of both ecology and taxonomy and has published numerous books: a guidebook to the southern Blue Ridge, a field guide to the spiders of the Carolinas, a collection of essays on biodiversity, a picture book on Congaree Swamp, a guide to the high elevations of the southern Appalachians, a river guide to the Little Pee Dee, and a guide to the common ferns of the West Indies. In 1998, he started a small nonprofit company, terra incognita, which carries out environmental consulting work in the United States. In 2013, he founded a 501(c)3 nonprofit, terra incognita books, (www.tibooks.org) for educational purposes.