1966. Fourth Impression. 221 pages. Pictorial dust jacket over red cloth. Contains black and white photographs. Folding map of waterways to rear with some tape. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Pen inscription to front free endpaper. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is dulled. Unclipped jacket has moderate edgewear with chips, tears and creasing.