Bozo the clone /
by Dan Greenburg ; illustrated by Jack E. Davis.
- New York : Grosset & Dunlap, c1997.
- 57 p. : ill. ; 20 cm.
- Zack files ; 10 .
- Greenburg, Dan. Zack files ; 10. .
When Zack uses a magic box from Tibet to produce a duplicate of himself, he finds that he has created more problems than he has solved.