1960. 4th Impression. 141 pages. No dust jacket. Blue cloth with lettering. Moderate tanning, with light foxing and marking to pages. Underlining to occasional pages. Some 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. Binding remains firm. Moderate tanning overall.