1961. Fourth Impression. 224 pages. Pink and yellow jacket over red paper covered boards. Pages are mildly tanned, but text remains clear. Binding is firm. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Light sunning to spine, heavier to ends. Unclipped jacket. Noticeable marks to rear panel. Minimal edgewear with light tearing and chipping to spine and joint ends.