Amazing animals of the sea :  marine mammals/ 
National Geographic Society . 
 - Washington, D.C. :  National Geographic Society,  1981. 
 - 104 p. :  col. ill. ;  28 cm. +  1 wall poster (79 x 50 cm. folded to 25 x 20 cm.) 
 - Books for world explorers .
<br/><br/> Accompanied by Classroom activities folder.  Includes index. 
<br/><br/>Bibliography: p. 104. 
<br/><br/> Discusses the characteristics and habits of the whale, dolphin, manatee, sea otter, sea lion, seal, and other marine mammals. 
<br/><br/><label>ISBN: </label>0870443828  0870443879 (lib. bdg.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammals--Juvenile literature.<br/>Marine mammals.<br/>Mammals.
<br/><br/><label>Dewey Class. No.: </label>599.5  / N A