4th edition. 636 pages. No dust jacket. Green cloth with lettering. Contains black and white illustrations. Heavy tanning and foxing to pages and text block edges. Cracks to guttering throughout, with exposed netting. Moderate rub-marking and tanning to pastedowns and endpapers with inscriptions to front. Boards have moderate shelf wear, with rubbing and marking. Light bumping to corners and crushing to spine ends. Book has noticeable forward lean, with tanning overall.