Baker, Keith. <br/><br/>
Quack and count / 
Keith Baker. 
 - San Diego :  Harcourt Brace,  c1999. 
 - unp. :  col. ill. 
<br/><br/> Seven ducklings take a rhyming look at addition. 
<br/><br/> 002-007  BTSB. 
<br/><br/><label>ISBN: </label>0152928588 
<br/><br/><label>LCCN: </label>98007924 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Addition<br/>Seven (The number)<br/>Ducks<br/>Counting
<br/><br/><label>LC Class. No.: </label>QA115.B35 1999 
<br/><br/><label>Dewey Class. No.: </label>513.2/11