1949. Third Edition. 83 pages. Yellow jacket over yellow cloth. Contains black and white illustrations throughout. Pages are lightly tanned and foxed, but text remains clear. Moderate marking to endpapers. Binding is firm. Tape remnants to endpapers. Boards and spine have minimal shelf-wear, with mild corner bumping and crushing to ends. Noticeable marks overall. Unclipped jacket. Minimal edgewear, with mild creasing. Visible marking to exterior. Tape to edges.