Penzler, Otto. <br/><br/>
Hunting the killer shark / 
by Otto Penzler. 
 - Mahwah, NJ :  Troll,  1976. 
 - 32 p. :  ill. 
<br/><br/> Introduces members of the shark family that have prowled the oceans for over 320 million years. 
<br/><br/><label>LCCN: </label>75023409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sharks.
<br/><br/><label>Dewey Class. No.: </label>597