1961. First Edition. 188 pages. Pictorial jacket over blue paper covered boards. Pages are mildly tanned, with visible foxing to edges, but text remains clear. Binding is firm. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Light tanning to edges and spine ends. Unclipped jacket. Light tanning to spine and edges. Minimal edgewear with creasing to panels, heavier to spine.