Mac's Field Guides

* Durable, inexpensive, fun to use nature identification guide

* Great for the beach and sloshing through tide pools

* Created by a high-school science teacher This field guide to the critters living in Northeast tide pools is a fun, easy way to identify them. Bring it along to the beach. The tough, lightweight laminated card can take abuse and is waterproof. Mac's Field Guides are the perfect wildlife identification tool for the amateur naturalist, covering a wide variety of subjects and regions in North America. More than 1 million Mac's Guides have been sold