This discussion of coal highlights the changing technology of underground and surface mining, the controversial issue of land reclamation, and the importance of this fossil fuel's many by-products.
Introduces the adventurous sport of sailplaning and gliding by following a young gliding enthusiast through the rigors of ground school and flying lessons to his first solo flight to a harrowing cross country flight.
Describes windsurfing, also called boardsailing or sailboarding, and provides information about equipment, training, and techniques used in this relatively new sport. Includes a glossary of terms.
Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's guide for gold prospecting.