Clarke, Arthur C. <br/><br/>
The challenge of the sea / 
Illustrated by Alex Schomburg. Introd. by Wernher von Braun. 
 - New York :  Holt,  1960. 
 - 167 p. :  ill. 
<br/><br/><label>LCCN: </label>60011244 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine biology.<br/>Ocean.
<br/><br/><label>Dewey Class. No.: </label>551.4