An appealing series that explores how various modes of transport work through extremely detailed, labeled diagrams that explain how each part of the featured machine functions, "Fast Facts" and "Fun Fact" boxes that offer additional information about the machine, problem solving challenges and cutaway illustrations that provide unique perspectives of the inner workings of the featured vehicle.
Just a three for me—it was hard to summarize all the technical terms for my 3 1/2-year-old who loves airplanes. But he found it very fascinating, and I’m sure if he was a little older with a broader vocabulary—and if I was actually trying to read every single word—it would be a four at least. It does seem to be well done.