DiCamillo, Kate.  1964- <br/><br/>
Mercy Watson :  princess in disguise / 
Kate DiCamillo ; illustrated by Chris Van Dusen. 
 - 1st ed. 
 - Somerville :  Candlewick Press,  2009. 
 - 70 pages. :  col. ill. ;  21 cm. 
 - Mercy Watson ;  no. 4 .
<br/><br/>F 
<br/><br/> Persuaded by the word "treating" to dress up as a princess for Halloween, Mercy the pig's trick-or-treat outing has some very unexpected results. 
<br/><br/> 450 <br/>  Lexile  F <br/>  Raz-Plus 
<br/><br/><label>ISBN: </label>9780763645045 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pigs--Fiction.<br/>Halloween--Fiction.<br/>Humorous stories.
<br/><br/><label>LC Class. No.: </label>PZ7.D5455  / Med 2007 
<br/><br/><label>Dewey Class. No.: </label>813.54