Mercy Watson : princess in disguise /
Princess in disguise.
Kate DiCamillo ; illustrated by Chris Van Dusen.
- 1st ed.
- Cambridge, MA : Candlewick Press, c2007.
- 1 v. (unpaged) : col. ill. ; 22 cm.
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.