London.Oxford University Press. 1939. 41pp. 21 black & white and two colour illustrations. Original pictorial endpapers, boards & un price-clipped pictorial dust wrapper. Quarto. First edition. Very minor wear to board corners and head and heel of spine. Some paper loss to dust wrapper at front upper edge, and upper rear corner, with a little chipping to upper and lower edges. Front free endpaper and title page have an old crease line across top corner. Faint previous owner's note to title page; else, a very good bright copy.