A Field Guide to Sea Stars and Other Echinoderms of Galápagos

A compact field guide to the commonly encountered echinoderms of the Galapagos Islands, an exotic and coloful group that includes sea stars, brittle stars, sea urchins, heart urchins, sand dollars, and sea cucumbers. With full color illustrations and complete, diagnostic descriptions, this book is intended for visitors and scientists to the Galapagos. -- Amazon.com.