Boynton, Sandra <br/><br/>
But not the hippopotamus 
Sandra Boynton 
 - Newly rev. ed. 
 - [S.l.]  Little Simon Books  1995 
 -  p. 
 - Boynton board books .
 - Boynton board books .
<br/><br/><label>ISBN: </label>9780671449049