1960. 4th Ed Sixth Printing. 1121 pages. No dust jacket. This is an ex-Library book. Green boards with dulled gilt lettering. Clean pages. Minimal foxing and tanning to endpapers and page edges. Both hinges cracked with netting visible, thus the boards are slack. College stamps to endpapers. Mild wear and bumping to spine, board edges and corners, with scuffing and marking to boards.