Mercy Watson, Princess in Disguise /
Princess in disguise
Kate DiCamillo ; illustrated by Chris Van Dusen. --
- 1st pbk. ed. --
- Somerville, Mass. : Candlewick Press, 2010, c2007.
- 70 p. : col. ill.
"No. 4"--Spine.
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.