1961. No edition stated. 1120 pages. No dust jacket. Illustrated blue cloth with gilt lettering. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Text block is thumb-indexed. Book is interspersed with sundry pages of advertising. Boards have noticeable edge wear with corner bumping and rubbing to surfaces. Some fraying to cloth at spine ends. Water staining to boards. Gilt lettering is dulled. Thumb-marking prominent.