Saul, Mary. <br/><br/>
Shells :  An Illustrated Guide to a Ttimeless and Fascinating World / 
Mary Saul. 
 - London :  Country Life,  1974. 
 - 192 p. :  [hb], ill. (some col.) ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0600380483 
<br/><br/><label>Dewey Class. No.: </label>564.047  / SAU-S