PulleysBook - 2002
The 'Early Bird Physics' series focuses on simple machines that help people to do work in their daily lives. At the same time the individual titles introduce the younger reader to several basic concepts of physics.
Publisher: Minneapolis : Lerner Publications, c2002
Branch Call Number: J 621.8 W154p 2002
Characteristics: 47 p. : col. ill. ; 23 cm