Jefferis, David,  <br/><br/>
Super subs :   opening up undersea frontiers 

 - 32 pages :   colour illustrations ;   28 cm 
 - Megatech .
 - Megatech .
<br/><br/><label>ISBN: </label>0778700631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Submarines - Juvenile literature ; Underwater exploration - Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>623.8205