1929. No edition stated. 251 pages. No dust jacket. This is an ex-Library book. Brown cloth with gilt titles to spine. Publisher's adverts to rear. Expected library inserts, stamps and inscriptions. Graphs and charts throughout. Pages have slight foxing, tanning and minor thumbing. Faint creases to some pages. Foxing more noticeable towards the start and end of the book. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. A few small paint spots to front. Gilt is bright.