1964. Revised Edition. 306 pages. Pictorial dust jacket over blue cloth. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Minor pencil inscriptions to front free endpaper. Some torn pages. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Spine noticeably tanned. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some rubbing and marking to surfaces.