1964. Second Edition. 128 pages. Pictorial dust jacket over blue cloth. Moderate tanning, with light foxing and marking to pages. Front endpaper is missing. Boards have moderate shelf wear, with rubbing and marking. Light bumping to corners and crushing to spine ends. Binding remains firm. Boards are slightly bowed. Unclipped jacket has light edge-wear with minor tears and chipping. Moderate tanning and creasing, with rubbing and marking.