1966. No Edition Stated. 101 pages. Grey paperback with black lettering. Maintenance service pages 81-100 are missing (having been filled in by previous owner) but main text of the manual is complete. Minimal tanning to endpapers and page edges. Visible soiling and finger smudging mainly to page edges. Pen noted inside front cover. Mild wear to spine, cover edges and corners, with soiling and creasing to covers and spine.