Books in In-Flight series

Teaches the fundamentals of English conversation.

Describes the development and parts of various types of airplanes, and explains how they fly.

Explains how prehistoric flying animals, insects, bats and other flying mammals, and birds fly, and describes early attempts at human flight.

Describes the origins, parts, and uses of helicopters, and explains how they fly.

Describes the various types of aircraft used in the two world wars and later, and explains how they functioned in battle and the types of escape gear they carried.

Recounts the origins and history of various types of lighter-than-air and wind-powered aircraft, and explains how they fly.

Describes various types of rockets, spaceships, and satellites, and explains how they fly.