1954. First Edition. 64 pages. No dust jacket. Pictorial paper covered boards. Contains black and white diagrams throughout. Pages are moderately tanned, but text remains clear. Noticeable marks to endpapers. Binding is firm. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Mild tearing to spine ends. Moderate marking to rear board. Boards are slightly warped.