3) An original wartime US military issue pocket size Aircraft Recognition Guide. This is a small size to fit in the breast pocket of a shirt or jacket and measures 4 3/4 inches X 3 1/4 inches. It is in good used condition. The covers show dirt and marks, it has rust to the staples and the internal pages show some minor marks from having been damp but all is good, strong and readable. It is dated 1943 and has 35 pages packed full of British, American & German aircraft.