1966. Third edition. 149 pages. This is an ex-Library book. Pictorial dust jacket over green cloth. Black and white photographs. Colour frontispiece. Ex library copy with associated labels, inserts, stamps and annotations. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Unclipped jacket has light edge wear with minor chipping and creasing. Jacket noticeably sunned.