Willems, Mo. <br/><br/>
Happy Pig Day! / 
by Mo Willems. 
 - 1st ed. 
 - New York :  Hyperion Books for Children,  c2011. 
 - 57 p. :  24 cm. 
 - An Elephant and Piggie book .
<br/><br/> Piggie celebrates her favorite day of the year, but Gerald the elephant is sad, thinking that he cannot join the fun. 
<br/><br/> Ages 4-8. 
<br/><br/><label>ISBN: </label>9781423143420 1423143426 
<br/><br/><label>LCCN: </label>2010034326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pigs--Fiction.<br/>Elephants--Fiction.<br/>Parties--Fiction.<br/>Friendship--Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.W65535  / Hap 2011 
<br/><br/><label>Dewey Class. No.: </label>[E]