1927. 4th Edition. 201 pages. No dust jacket. Blue cloth with lettering. Contains black and white illustrations. Moderate tanning, with light foxing and marking to pages. Cracks to guttering throughout, with exposed netting. Noticeable tanning to rough-cut text block edges. Heavy tanning to endpapers, with inscriptions to front. Boards have moderate shelf wear, with rubbing and marking. Heavy bumping to corners and crushing to spine ends, causing cloth to fray. Book has noticeable forward lean. Moderate tanning overall.