Best Selling Books by Karen Volpe

Pulleys help make up some of the most complicated machinery, from car engines to cranes. See up-close the different pulleys that help us move things and get us moving. Kids will love this wonderful look at pulleys, especially the fun with pulleys section.

Without levers, we wouldn''t be able to row a boat, move a wheelbarrow, or open a bottle. The book makes learning about the different kinds of levers easy and fun! Easy and fun exercises invite kids to make their own levers.