1966. No Edition Stated. 302 pages. Red jacket over red cloth with gilt titles to spine. Graphs and charts. Pages have slight foxing, tanning and minor thumbing. Prize plate to front endpaper. Foxing more noticeable towards the start and end of the book and on text block edges. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Dusty spine. Gilt is bright. Unclipped jacket has some edgewear with chips, tears and creasing. Jacket is slightly rubbed and marked overall.