1956. First Edition. 181 pages. Illustrated jacket over blue cloth with gilt titles to spine. Includes illustrations throughout. Includes various diagrams. Pages have slight foxing, tanning and minor thumbing. Previous owner's inscription to front endpaper. Previous owner's inscription to front endpaper. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Gilt is bright. Unclipped jacket has some edgewear with chips, tears and creasing. Previous owner's name and pen marks to front. Patches of sunning. Jacket is slightly rubbed and marked overall.