Baker, Keith,  1953- <br/><br/>
Quack and count / 
Keith Baker. 
 - 1st ed. 
 - San Diego :  Harcourt Brace,  c1999. 
 - 1 v. (unpaged) :  col. ill ;  23 x 29 cm. 
<br/><br/> Seven ducklings take a rhyming look at addition. 
<br/><br/><label>ISBN: </label>0152928588 
<br/><br/><label>LCCN: </label>98-007924 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Addition--Juvenile literature.<br/>Ducks--Juvenile literature.<br/>Seven (The number)--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QA115  / .B35 1999