Anno, Masaichir?. <br/><br/>
Anno's mysterious multiplying jar / 
Masaichiro and Mitsumasa Anno ; illustrated by Mitsumasa Anno. 
 - New York :  Penguin Putnam Books for Young Readers,  1999. 
 - 1 v. (unpaged) :  col. ill. ;  26 cm. 
<br/><br/> "A PaperStar book."  Translation of: Tsubo no naka. 
<br/><br/> Simple text and pictures introduce the mathematical concept of factorials. 
<br/><br/><label>ISBN: </label>0698117530 (pbk.) :  $6.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factorials.<br/>Mathematics.