A photographic field guide (5x8.5<">) with 450 illustrations, 410 in good color plates. Vitt, Janet Marsh (both botany, U. of Alberta) and Robin Bovey bring the small world of mosses, liverworts, lichens, and ferns to those interested in understanding more of their surroundings. They deal with 370 species, provide keys to their identification, and adequately describe each. Annotation copyright Book News, Inc. Portland, Or.