1950. 12th Edition.. 403 pages. No dust jacket. Beige cloth. Ex-libris copy, with expected inserts and inscriptions. Pages are moderately tanned and thumbed at the edges, with moderate foxing. Binding has remained firm. Boards have been moderately rub worn. Noticeable shelf wear to corners, spine and edges. Corners are bumped and a little frayed Spine ends are crushed, with noticeable splits and chips. Moderate tanning to spine and edges. Boards are notably bowed. Book has a prominent forward lean. Moderate water marks to boards and spine.