Scientific investigations / by Elaine Wood and Pam Walker ; illustrated by Janet Armbrust ; cover illustrations by Don Ellens ; cover design by Jeff Van Kanegan.

Bibliographic Details
Main Author: Wood, Elaine, 1950-
Other Authors: Walker, Pam, 1958-
Format: Book
Language:English
Published: Grand Rapids, MI : Instructional Fair, TS Denison, c1997.
Subjects: