This new book is an in-depth study covering John K. "Jack" Northrops quest for a clean flying machine. Covered are: Northrops initial N-1M project, the N-9M, XP-56, through the B-35 project, B-49 project, and the huge bombers planned only on the drawing board.nIncluded are over 300 black and white and color photographs, as well as drawings and statistical data on all of the Northrop flying wing and tailless aircraft.