THE PROFICIENT PILOT I-II
Inbunden bok. MacMillan Publishing Company. Originalupplaga uppl. 1987. 680 sidor sidor.
Nyskick. Skyddsomslag i nyskick.
Två halvklotband med omslag. Del I: Revised and Enlarged Edition. 1985 339 Del II 341 sid. Illustrerad! I nyskick!
Text från baksidan å del 1: "I recommend you heed Schiff´s messages because they are written by a true aviator. He knows, he has done it, and is doing it."
