World of Biology 

 -  The Gale Group  1999 
 - vii, 942 pages  ill. ;  28 cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0-7876-3044-6 
<br/><br/><label>Dewey Class. No.: </label>R 570.3 W89 1999