The Hamlyn junior science encyclopedia: 
editors Valerie Pitt, John Daintith [and] Alan Isaacs. 
 - London,  New York,  Hamlyn,  1973. 
 - 256 p.  col. illus., col. charts, col. ports.  31 cm. 
<br/><br/> Includes index. 
<br/><br/> Articles introduce some of the basic principles, notable individuals, and important inventions and applications of the earth and physical sciences. 
<br/><br/><label>ISBN: </label>060039512X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Juvenile literature<br/>Science--Encyclopedias--Juvenile<br/>Science
<br/><br/><label>LC Class. No.: </label>Q163 
<br/><br/><label>Dewey Class. No.: </label>500