1957. 12th Edition. 861 pages. This is an ex-Library book. Yellow dust jacket over red cloth. Ex-library copy, with expected inserts and inscriptions. Black and white photographic plates throughout. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Water staining to edges. Light tanning to spine and edges. Light wear marks overall.