Man and his Physical World by Dwight Elder Gray
1956. Second edition 12th printing. 669 pages. No dust jacket. Blue cloth. Contains black & white diagrams. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front endpaper. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Spine has crushing to both ends. Spine is heavily tanned. Book has forward lean. Pen inscription to front board.