Cook, Jan Lesile <br/><br/>
The mysterious undersea world 

 - Washigton  National Geographic society  1980 
 - ii,104p.  ill.:28cm 
 - Books for world explorers .
<br/><br/> includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceanography<br/>Marine biology-Juvenile literature<br/>Ocean
<br/><br/><label>LC Class. No.: </label>GC11.2.C66 1980