books.google.com - Have you ever tried to lift a lion? Gravity makes it difficult, but you could do it with a lever. Robert E. Wells shows you how! Lively text and watercolors make you laugh while you learn the functions of levers, wheels and pulleys. Learn how to lift a lion, pull a panda, and deliver a basket of bananas...https://books.google.com/books/about/How_Do_You_Lift_a_Lion.html?id=LCxZAAAAYAAJ&utm_source=gb-gplus-shareHow Do You Lift a Lion?