UNDERSTANDING THE GYROPLANE, A Handbook for Technical Knowledge for the Non-Technically Minded, for Gyrocopters and Sport Gyroplanes
The Abbott Co.: Indianapolis, IN, 1988. Paperback. Photos; illus., 8.5 x 5.5", glossy pict wraps, 85pp with index, covers a bit worn but contents nice and clean. FIRST EDITION (NAP). Of course, the photos show the author flying this dangerous machine but wearing a helmet. More