Kenyon, Ley <br/><br/>
Discovering the undersea world / 
Ley Kenyon ; with illustrated by the author 
 - London :  University of London Press,  1961 
 - 144 p. :  ill. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deep diving--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>574.9