<p/><br></br><p><b> About the Book </b></p></br></br>"Did you see a flagpole today? Then you've seen a pulley at work! These simple machines are all around. Take a look inside and discover 13 different uses for pulleys"--<p/><br></br><p><b> Book Synopsis </b></p></br></br>Did you see a flagpole today? Then you've seen a pulley at work! These simple machines are all around. Take a look inside and discover 13 different uses for pulleys.