1947. Seventh edition. 128 pages. Pictorial dust jacket over pictorial cloth covered boards. Black and white illustrations. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name to front free endpaper. Boards have mild shelf wear with light rubbing and corner bumping. Some mild marking and tanning. Clipped jacket has light edge wear with minor tears, chipping and creasing. Some rubbing and marking to surfaces.