Caribbean Underwater Reef Guide w/ Slate Pencil Author:Christy Loper, Jos Hill, Ruben Torres, Gregor Hodgson Looking to make the most of your diving and snorkeling experience? Then take the Reef Check Underwater guide with you. Printed on plastic, this guide is more than just a standard fish ID sheet, the Reef Check Underwater Field guide has photos and key facts on over 50 different reef species, allowing you to fully explore and understand life on th... more »e world's coral reefs. It's like taking a marine biologist with you on every dive. There is also a slate and pencil so you can record what you see and contribute valuable data on the health of the worlds coral reefs. Order yours today. Your diving will never be the same!« less