"Written and a below-grade reading level, these books explain key concepts such as forces, acceleration, velocity, friction, and motion using examples from theme parks, plus dynamic photos and detailed diagrams. HI-LO/reading level grade 3, 32 pages each, full-color photographs, paperback.

Complete Set includes one copy of each title:
-High-Speed Thrills: Acceleration and Velocity
-Falling for Fun: Gravity in Action
-Marvelous Machinery: Rides at Work
-Twists and Turns: Forces in Motion
"