Asimov, Isaac,  1920-1992. <br/><br/>
The world around you :  a ladder edition at the 2,000 word level / 
adapted by Robert M. Walker. 
 - New York :  Lancer Books,  1966. 
 - 127 p. ;  18 cm. 
<br/><br/> Original title: "Building Blocks of the Universe." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical elements.
<br/><br/><label>LC Class. No.: </label>QD 466  / A832w 1966 
<br/><br/><label>Dewey Class. No.: </label>546