1968. 2nd Edition. 348 pages. Pictorial dust jacket over blue paper covered boards. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Pencil inscription to half-title page. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Staining overall. Clipped jacket has light edgewear with tears and creasing. Staining to inside panels.