1966. Third edition. 466 pages. Pictorial dust jacket over blue cloth. Black and white illustrations throughout. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Minor inscriptions to front endpapers. Small bookshop label to front pastedown. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Book has slight backwards lean. Unclipped jacket has heavy edge wear with tears, chipping and creasing. Some small tape repairs.