Willems, Mo <br/><br/>
My friend is sad / 
Mo Willems 
 - New York  Hyperion Books  2012 
 - 57 p.  col. ill.  23 cm. 
 - An Elephant & Piggie Book .
<br/><br/><label>ISBN: </label>9781406338478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Story Book