Ryan Jacobson 
Exciting Entertainment Inventions [PDF ebook] 

Can you believe that the first tennis balls didn’t bounce? Or that the world’s first basketball hoop was a peach crate? Get ready to learn the amazing stories behind inventions you use every day. From the Minnesota teen who invented water skis to the Missouri mechanic who came up with the idea of driving over cars with his monster pickup truck, you’ll find out how we got some of our favorite entertainment inventions.