Tell a lie and your butt will grow /
by Dan Greenburg ; illustrated by Jack E. Davis.
- New York : Grosset & Dunlap, c2002.
- 58 p. : ill. ; 20 cm.
- Zack files ; 28. .
Everyone at school knows that Andrew Clancy is a huge liar. But suddenly, every time he tells another whopper, his butt grows bigger. Will it ever stop?