1959. No Edition Remarks. 385 pages. Blue dust jacket over green cloth. Symposia of The Society for Experimental Biology, Number XIII. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to free endpapers. Previous owner's inscription to front pastedown. Some creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Water staining to boards. Minor marks to boards. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips and, creasing. Visible tanning to spine. Some rubbing to surfaces. Scuffing to edges. Pen marks to front panel.