Open water diver manual - metric / 
editor in chief, Drew Richardson...[et al.] 
 - Santa Ana, CA :  Padi,  1996. 
 - vi, 272 p. :  ill. ;  25 cm. 
<br/><br/> Subtitle on cover : the fun and adventure of learning to scuba dive  Includes index 
<br/><br/><label>ISBN: </label>1878663178 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scuba diving--Handbooks, manuals, etc.<br/>Deep diving