1980. No Edition Remarks. 97 pages. No dust jacket. Grey illustrated cloth boards with gilt lettering. Contains black and white diagrams. Bright and clean pages and diagrams with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Pencil markings to front free endpaper. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear.