1925. 21st Edition. 817 pages. No dust jacket. Blue cloth with gilt lettering. Pages are moderately tanned and thumbed at the edges, with moderate foxing. Binding has remained firm. Boards are a little rub worn with slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are a mildly crushed, with small splits and chips. Tanning to spine and edges. Boards are bowed. Book has a forward lean. Water marks to boards and spine.