Curious about how an amusement park works? This 5-title set covers motion and machines in an in-depth and inspiring way! Books feature high-interest nonfiction text, lab activity, sidebars, and supporting imagery. 28-32 pages per book. Titles include How Amusement Parks Work; Take Off! All About Airplanes; All Aboard! How Trains Work; Zoom! How Cars Move; and How Toys Work.