Luftwaffe instruction handbook 'Der Flieger' (Dienstunterricht in der Fliegertruppe). The book was published in 1941 by the "Verlag von E.S. Mittler & Sohn" in Berlin. This handbook was specifically intended for all Luftwaffe aviation personnel. The book has a grey coloured cover and features 248 pages with a lot of nice high quality photographs and illustrations. Nice book in good used condition!