1961. Second Printing. 308 pages. White jacket over blue cloth. Pages remain bright and clear. Binding is firm. Tape remnants and mild marking to endpapers. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Noticeable crushing and slight splitting to spine ends. Small marks and light rubbing overall. Book has a slight forward lean. Unclipped jacket. Moderate edgewear with noticeable loss to spine ends.