The author of Crossfire offers a thought-provoking study of evidence of extraterrestrial life, providing explanations of UFOs, evidence of government cover-ups, and proof that Earth has been visited by alien life forms. 75,000 first printing. $40,000 ad/promo. Tour. more..

Ms. Frizzle's class is learning firsthand about how electricity works--by traveling through the town's power lines. Jumping from atom to atom, the kids ride the electrical current within many familiar appliances, including a television. Full color. more..

The Web is the most sophisticated, most open, and simplest publishing medium ever created, an endless set of criss-crossing interconnections between an ever-growing number of points, and a community in the truest sense of the word. Your Web page can be your platform to say or show whatever you want more..

The latest edition of this bestselling textbook treats the important properties of three primary types of material--metals, ceramics, polymers--as well as composites. Describes the relationships that exist between the structural elements of these materials and their characteristics. Emphasizes more..

An intuitive, applications-driven guide to electronics for engineers, hobbyists, and students--one that doesn’t overload readers with technical detail. Chock-full of illustrations--over 750 hand-drawn images provide clear, detailed instructions on how to turn theoretical ideas into real-life more..

Written with a building-block approach to learning to fly a helicopter, this comprehensive textbook shows pilots the underlying foundation of why the helicopter behaves the way it does. Discussing the complexities of helicopter flight in clear terms, this book explains the aerodynamic factors more..