Die Luftschutzfibel Air Raid Precaution manual

Die Luftschutzfibel, manual for Air Raid Precaution units. Published by the Landesgruppe Ostpreussen (East-Prussia) des Reichsluftschutzbundes (ARP association). Late 1930’s. Verlag “Offene Worte”, Berlin. Many drawings and photos of bombs, airplanes etc. 104 pages. 19x13cm. Used but collectible condition. Complete.