The Flying Wings of Northrop - Pilot's Handbook for Model YB-49 Airplane
Appleton, WI: Aviation Publications, 1984. Softcover edition. Paperback. 75pp. Quarto [28 cm] Illustrated wraps. Very good. The covers are very lightly soiled. Prepared by Northrop Aircraft, Inc. From the Introduction- "Northrop was one of few visionaries who actually wanted to produce a better airplane." More