An informative guide provides updates on current testing procedures, identifies risk factors and warning signs, explains treatment options, offers a diet and exercise plan, and advises on reestablishing sexual activity. Original.

Product Description: Here is a book on piloting and celestial navigation that approaches these subjects from a new direction. Although it has a textbook structure, the authors have attempted to give it a tutorial slant so that it can be used by individuals outside the classroom...read more (view table of contents, read Amazon.com's description)

Product Description: How were the features on the Moon created?. What is the evidence for past or future life on Mars? What might cause the Earth to become as hot and steamy as Venus? . Why do some say that a colliding asteroid wiped out the dinosaurs 65 million years ago? From the earliest of times the human race has pondered upon the nature of the Heavens...read more (view table of contents, read Amazon.com's description)

A completely up-to-date edition of the popular stellar guide includes diagrams, special information on finding and viewing Halley's Comet, tips on sky photography, and a locater wheel and pop-up sky to predict star position

Recreates the lives, work and discoveries of the world's outstanding astronomers