A Fun Introduction to a Basic Concept of Physics - Pulleys! Focusing on simple machines and how they help us do work in our daily lives, this fun and informative new series introduces young readers to several basic concepts of physics. How does a pulley work? What is it? In this clever little book, colourful diagrams and fun-to-do experiments will help young readers explore the many ways this simple machine can make work easier and faster.
Author Biography
Sally M. Walker is the author of many books for young readers, including The 18 Penny Goose and Opossum at Sycamore Road. She is also a children's literature consultant and has taught children's literature at Northern Illinois University. Roseann Feldmann has been a classroom teacher, a college lecturer, curriculum author and administrator. Andy King has done editorial photography, including several works for Lerner's Fundamental Sports series, as well as a good deal of commercial photography.
