Flight and Flying Machines (Windows on the World)

Description:

Explains how birds fly, discusses the operation and exploits of flying machines, both ancient and modern, and speculates about flight technology of the future.

subjects: Flight,  Juvenile literature,  Flying machines,  Airplanes,  Flight-machines,  Flying-machines,  Aeronautics,  History,  Airplanes, juvenile literature,  Aeronautics, history