1948. Sixth Edition, Revised. 499 pages. Grey dust jacket over red cloth. Contains black and white illustrated plates. Pages and plates are lightly tanned and foxed throughout. Minor pencil inscription to front free endpaper and pastedown. Occasional thumb-marking present. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Bubbling to cloth at edges and some creasing. Book is slightly forward leaning. Unclipped jacket has moderate edge wear with chips, tears and creasing. Small hole to spine and rear board. Mild tanning to spine and edges. Scuffing and light marking overall.