Allows users to rapidly and accurately identify or describe particular species. Presents full descriptions of the major anatomical features of different invertebrate groups as well as definitions of the terms used to describe significant variations of these features. It covers 77 living invertebrate taxa, most on a phylum or class level.

This richly illustrated book serves as the ideal guide to the items that litter the world's beaches. Complete with more than 700 color photographs, the guide shows the full range of marine debris items, each presented with insight and a pinch of humor.