Search -
Charlie Brown's 'Cyclopedia (Featuring Machines and How They Work, Volume 13)
Charlie Brown's 'Cyclopedia - Featuring Machines and How They Work, Volume 13 Author:Charles M Schulz Charlie Brown and the Peanuts gang help answers questions about machines and how they work. A great way to share how a a zipper works, what makes springs bouncy, or why grandfather clocks are tall.