Clive Dobson

Surveys the history of wind power and windmills, outlines the science that makes them work, and provides instructions for increasingly difficult projects that demonstrate each principle.

Featuring six real x-rays printed on mylar, Jessica's X-Ray is a unique and fun look inside our bodies and the world of x-rays written by a professional x-ray technologist who has worked extensively with children. In the book, kids follow Jessica, who has broken her arm, as she tours the hospital seeing x-ray rooms and looking at actual x-ray, CAT-scan, MRI and ultrasound images. These real x-ray images are printed on mylar so readers can see firsthand...