Hard cover (cloth w/o dust jacket), 4.75 x 7.5 inches, 0.8 lbs, 194 pages, 79 color photos, 73 range maps, 2 figures, glossary, index, literature cited
This perfect-sized field guide covers eight states and treats one of our most imperiled animal groups. The common names for the species are outstanding. A must have for anyone interested in our aquatic resources.