1940. 20th Impression. 446 pages. No dust jacket. Blue cloth. Pages are lightly tanned and thumbed at the edges, with light 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.