1953. Twelfth Edition. 504 pages. No dust jacket. This is an ex-Library book. Blue cloth with gilt lettering. Library copy, with expected inserts and inscriptions. Pages are lightly tanned with mild foxing. Mild cracking to gutters, however binding remains firm. Visible thumb-marking present. Boards have light shelf-wear with corner bumping. Mild scratching and marking to boards. Tape securing to spine. Book has forward lean.