Crabs, hermit crabs and allies will familiarise the amateur naturalist, beachcomber, diver and others who have an interest in the marine environment of crabs, hermit crabs and their close relatives. What they do, how they behave, their environments, their ecology and their diversity. Species descriptions are accompanied with stunning colour illustrations and detailed drawings for easy recognition. Also included are maps, comprehensive reference information, scientific and common name indexes and a glossary.