Cassie, Brian. <br/><br/>
Shells / 
written by Brian Cassie. 
 - New York :  Scholastic,  2000. 
 - 159 p. :  col. ill., maps ;  18 cm. 
 - National Audubon Society first field guide .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Provides information about mollusks and their shells and how to identify them, along with detailed descriptions and photographs of fifty common North American shells. 
<br/><br/> 3-7.  3. 
<br/><br/><label>ISBN: </label>0590642588 (pbk.) 0590642332 
<br/><br/><label>LCCN: </label>99046831  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shells--Identification.<br/>Mollusks.
<br/><br/><label>Dewey Class. No.: </label>594/.1477