Codes and Ciphers by Alexander d'Agapeyeff
1949. Revised and Reset . 149 pages. No dust jacket. Grey cloth. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Cloth has minor damp and dust stains. Book has a slight forward lean.