Machines at WorkBook - 1993
This series provides young readers with a hands-on approach to understanding the first principles of science. In each book two basic scientific topics are explored, and the information is reinforced by activities that are fun to do. Includes a glossary and an index.
Publisher: New York ; Toronto : Franklin Watts, 
Copyright Date: ©1993
Branch Call Number: J 621.8 War
Characteristics: 31 pages : color illustrations ; 27 cm.