1937. 7th Edition. 324 pages. No dust jacket. Green cloth. With photographic frontispiece. Pages have slight foxing, tanning and minor thumbing. Foxing more noticeable towards the start and end of the book and on text block edges. Pencil inscriptions to front endpaper. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. White stains or traces of paper to front, plus pen stains.