1968. Sixteenth Impression. 528 pages. Blue dust jacket over green cloth. Clean pages with mild tanning throughout. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to front pastedown. Boards have light edgewear with corner crushing and notable marking to boards. Mild sunning to board and spine edges, which has mild crushing to ends. Small water stain to front board. Unclipped jacket has light edgewear with tears and creasing. Water stain to front panel. Notable rubbing and marking all over. Moderate tanning to spine.