A guide to the dragonflies (Anisoptera) of the greater southwestern area of the USA including but not restricted to Arizona, California, Colorado, Nevada, New Mexico and Utah. The guide gives a 2 page spread to each of the 97 included species with large photographs of both males and females, descriptions that include behaviors and out positing techniques and size represented both in text and by a colored line in a dominant color of the species. Includes distribution maps, descriptions of similar species and a list of all species, a bibliography, glossary and a detailed index. Life cycles and observation photography tips are included. A simple to use format throughout.