Thirty-First Edition. 202 pages. No dust jacket. Purple cloth with gilt lettering. Pages have mild tanning and foxing throughout. Heavy cracking to gutters, with exposed binding. Moderate tanning and foxing to endpapers. Mild thumb-marking present. Boards have heavy shelf-wear with bumping to corners, crushing to spine ends and rub wear all over. Heavy scratching and marking to boards. Notable tanning to board edges. Notable tearing to spine ends and cracking to rear joints. Binding is shaky.