Simple Machines (Let’s Read-‐and-‐Find-‐Out Science series)

This illustrated science book introduces the six types of simple machines. It explains levers, wheels and axles, pulleys, ramps, wedges, and screws through a humorous approach. Pen, ink, and digital illustrations accompany the explanations, giving visual form to each machine. The book stays focused on the basic kinds of machines and the ways these familiar mechanical ideas can be identified and understood.