Magic numbers : a fun changing pictures book 

 - 1st ed 
 - New York  Backpack Books  c2002 
 - 1 v. (unpaged) : col. ill 
<br/><br/><label>ISBN: </label>9780760791639 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>372.7 MAG