Buffalo, NY: Bell Aircraft Corp. 1944 Softcover 8vo, 14pp. Printed in green and black, copiously illustrated with cartoons, advertisements, and diagrammatic drawings of Bell aircraft parts and machines. With disclaimer on front cover, restricting distribution to unauthorized parties which would impacct the National War Effort. Ostensibly distributed to Air Force pilots during WWII, with light soil to covers, (original?) 3-hole punch. Contents remain bright and unmarked. Very Good.