Plate Tectonics and Geomagnetic Reversals by Allan Cox (Ed.)
1973. 3rd Printing. 702 pages. Red paperback. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Pulling to covers. Binding remains firm. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Some sunning to spine and edges. Visible scuffing to edges. Some tearing to spine ends.