Der Feldzug auf dem Balkan und die Ruckeroberung der Cyrenaika: 2. April - 4. Juni 1941, Wiking Verlag, 1941. 4to, pp.186. Rare book along Nazi military campaigns through the Balkans and on to Africa, published on the order of the Oberkommando der Wehrmacht. It consists of wonderful maps and documents very pertinent to the campaign. Excellent condition.