1960. Second Revised Edition. 265 pages. This is an ex-Library book. White paperback. Laminated covers. Ex-Library copy, with expected inserts and inscriptions. Pages remain bright and clear with minimal tanning and foxing. Marks to half title page. Thumb-marking present. Pulling to covers. Binding remains firm. Paper covers have mild edge-wear with slight rubbing to surfaces. Light curling to corners. Visible tanning to spine and edges. Light marks to covers.