Arthur, Alex <br/><br/>
Shell / 
written by Alex Arthur. 
 - London :  D. Kindersley,  c1989. 
 - [64] p. : col. ill. 
 - Eyewitness guides ; 9 .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shells