BOEING 720

BOEING 720, by Jon Proctor.  A fascinating look into Boeing’s history. When Boeing’s management learned it was at risk of losing a large United Air Lines order to Convair’s mid-range 880, they refined the concept of the 717, renaming it the 720. This book takes an exceptional look at the 720’s entire history. Original price $27.95. Now $9.95. Plus shipping.