Sixth Edition. 399 pages. No dust jacket. Green cloth with gilt lettering. Pages are mildly tanned with visible foxing. Mild cracking to gutters, however binding remains firm. Pencil scribbles to front endpaper and contents page. Moderate tanning to endpapers. Boards have light edgewear with corner crushing and notable marking to boards. Moderate tanning to board edges and heavy to spine, which has mild crushing to ends. Ring marks and sticker to front board. Mild water stains and droplets to rear board. Book has forward lean.