1958. Third Edition. 254 pages. No dust jacket. This is an ex-Library book. Blue cloth with lettering. Expected library inserts, stamps and inscriptions. Well bound and clean pages, with heavy foxing and tanning to text block edges. Some rub-marking and tanning to pastedowns and endpapers with stamps. 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. Boards are slightly bowed and sunned.