1967. No Edition Stated. 215 pages. No dust jacket. This is an ex-Library book. Blue cloth with gilt lettering to spine. Black and white diagrams throughout. Book has been rebound by library, with expected inserts, stamps and inscriptions. Pages are bright and clear. Binding is firm. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Minimal scratching and scuffing overall. Spine is minutely sunned, with minor crushing to ends. Gilt remains bright. Dewy sticker to tail of spine.