1969. Revised Edition. 184 pages. Purple and blue dust jacket over blue cloth covered boards with gilt lettering to front board and spine. Pen inscription to front endpaper. Minor tanning to pages and text block edges. Text remains clear. Binding remains firm. Minor rub wear to boards. Faint brown marks to boards. Gilt remains bright. Minor edge wear with some crushing to spine ends and bumping to corners. Unclipped dust jacket. Moderate edge wear with chips, tears and creasing in particular to the spine. Jacket is tanned and foxed.