1929. 4th Edition. 317 pages. No dust jacket. Brown cloth. Publisher's adverts to rear. Pages have slight foxing, tanning and minor thumbing. Foxing more noticeable towards the start and end of the book and on text block edges. Previous owner's inscription to dedication page. A few small edge tears to a few pages. A few dog-eared corners. Boards have some moderate edge wear, with slight bumping to corners. Small frayed tear to lower spine end. Boards a little rubbed and marked overall. Slight water staining to front and rear. Book has a pronounced forward lean.