1938. Seventh Impression. 121 pages. No dust jacket. Beige pictorial cloth. Contains black and white photographs, diagrams and maps. Pages are lightly tanned, but text remains clear. Binding is firm. Label to rear free endpaper. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Noticeable crushing to spine ends. Slight fading to lettering to spine. Noticeable brown marking to rear board.