Sources of Forces

Invisible forces at work in the universe?  You bet!  V.C. and Igor are ready and waiting inside this book to demonstrate the forces of magnetism, electricity, and gravity.  With the help of Igor, her sometimes capable assistant, V.C. will show you how to collect meteorites on the beach, see a light show in your dryer, and even build an electric circuit to amaze your teachers!

" A fine series that will encourage enthusiastic learning."  Booklist