Earth science /  Robert L. Heller ... [et al.]. 

 - 2d ed. 
 - New York :  Webster Division, McGraw-Hill,  1979. 
 - xi, 468 p. : ill. ; 26 cm. 
 - Challenges to science .
<br/><br/><label>ISBN: </label>0070280371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences --Juvenile literature.<br/>Astronomy --Juvenile literature<br/>Earth sciences.<br/>Astronomy.
<br/><br/><label>LC Class. No.: </label>QE 29 EAR 1979