Scoop up plentiful Cockles on Eastern beaches. Spy a fabulous Emperor Helmet in Southern Florida. Find a Red Chiton on the Pacific shore. The coasts of North America yield a wondrous variety of shells, from the majestic Conch to tiny Bittium. This beautifully illustrated guide helps both the novice and experienced shell hunter distinguish between similar varieties and find the glorious specimens that become a collection's prize.-Native varieties and important introduced species-Expert tips on cleaning and preservation-Common and scientific names-Convenient measuring rules... and more!!