Airflow

Airflow examines and describes the many ways in which people exploit, harness or confront the physical properties of wind and air. This book with be of great interest to the increasing number of people who are interested in yachting, aeromodeling, ballooning, car racing, parachuting, kite flying, hang gliding, gliding and power flying. Sftbd., 7 1/2 x 9 1/4, 144 pgs., 185 b&w ill.