Tinker, Gene. <br/><br/>
Let's learn to snorkel / 
by Gene and Barbara Tinker. 
 - New York :  Walker,  1968. 
 - 80 p. :  ill. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>68013989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Skin diving.
<br/><br/><label>Dewey Class. No.: </label>797.2