Ruchlis, Hyman <br/><br/>
The wonder of heat energy :  a picture story of the vital part heat plays in our world / 
Hyman Ruchlis ; illustrated by Alice Hirsh 
 - New York :  Harper,  1961 
 - 186 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 16.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heat--Juvenile literature<br/>Heat
<br/><br/><label>Dewey Class. No.: </label>536