The Patuxent Wildlife Research Center has placed online this entire (1996) textbook entitled Cranes: Their Biology, Husbandry, and Conservation. Edited by David Ellis, George Gee, and Claire Mirande, the textbook contains thirteen chapters by the world's leading crane experts, covering general biology, husbandry, behavior, artificial insemination, pest management, and conservation, among other topics. In addition to the text, numerous illustrations capture the majesty of these birds. Chapters may be downloaded separately, or browsed online. For anyone interested in cranes and their conservation, this resource is definitely required reading.