1967. 5th Edition. 276 pages. No dust jacket. This is an ex-Library book. Blue & white with gilt lettering. Expected library inserts, stamps and inscriptions. Well bound and clean pages, with mild tanning to text block edges. Some rub-marking and tanning to pastedowns and endpapers with stamps and inscriptions. 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.