1955. Fifth Edition. 199 pages. Green dust jacket over green cloth. Volume 1. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to free endpapers. Some creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges. Minor marks to boards. Unclipped jacket has moderate edgewear with chips, tears and creasing. Loss to spine ends and edges. Noticeable tanning to spine. Some rubbing to surfaces. Scuffing to edges.