Carol A. Butler is co-author of a series of natural history Q&A books with Rutgers University Press, a psychoanalyst, and a docent at the American Museum of Natural History. She lives in New York, New York.Les Sellnow is a lifelong horseman, competitor, and journalist, as well as the author of eight horse books and hundreds of magazine articles. He writes regularly for The Horse and The Blood-Horse magazines. He lives in Riverton, Wyoming.