Science supplement :  how it works / 
[Webster's Home Library.] 
 - New York :  Webster's Home Library,  c1998. 
 - ix, 383 pages :  colored illustrations ;  26 cm 
<br/><br/><label>ISBN: </label>087475089x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Periodicals.
<br/><br/><label>LC Class. No.: </label>Q9  / Sc2 1998