Mrs. Patty is batty! /
Dan Gutman ; pictures by Jim Paillot.
- 1st Harper Trophy ed.
- New York : HarperTrophy, 2006.
- 97 p. : ill. ; 20 cm.
- My weird school ; #13 .
A.J. and the other students at Ella Mentry School brave trick-or-treating at the school secretary's house, even though it is supposedly haunted.