1961. 25th Impression. 592 pages. Grey dust jacket with lettering over blue cloth. Contains black and white illustrations. Moderate tanning, with light foxing and marking to pages. Some rub-marking and tanning to pastedowns and endpapers. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Binding remains firm. Unclipped jacket has light edge-wear with minor tears and chipping. Moderate tanning and creasing, with rubbing and marking.