London, Kegan Paul, Trench, Trubner, 1933.
First edition. Inscribed presentation copy from the author. 8vo. Original green cloth. Dust-jacket, priced 35s.
This copy has been inscribed by the author to the front free endpaper, dedicating it to H.M. Budgett (1882-1951), Master of Hounds and author of a comprehensive treatise on olfactory tracking, Hunting by Scent, which Hatfield declares himself a fan of in the inscription.
Henry Stafford Hatfield (1880–1966) was himself a chemist, broadcaster and inventor, and the author of several books on science, automatons and inventions. A scarce first printing of this title (later to be published by Pelican in 1948).

