Galaxy Zack # 13: Science fair disaster! /
by Ray O'Ryan ; illustrated by Jason Kraft.
- First Little Simon paperback edition.
- 120 pages : illustrations ; 20 cm.
- Galaxy Zack ; #13. .
When his project malfunctions during the Intergalactic Science Fair, Zack, a boy from Earth living on the planet Nebulon, has to get things under control before disaster erupts?