Ivy + Bean and the ghost that had to go /
written by Annie Barrows ; illustrated by Sophie Blackall.
- San Francisco : Chronicle Books Llc, 2007.
- 125 p. : ill. ; 19 cm.
First paperback edition. Originally published, 2006.
Second-graders Ivy and Bean set out to expel the ghost who is living in the girls' bathroom at their school.