8vo, blue cloth, gilt titles, 247pp. First Edition. Price-clipped dust jacket with chunk of loss to lower edge of front panel, chipping to spine crown and foot, moderate toning to panels. Bookseller’s ticket, ownership inscription to front endpaper, fading to blue top stain. Contents clean, binding sharp and square. The true first (British) edition of the classic espionage, adapted twice for the screen in 1958 and 2002, and marking the first in a series of new, more hardboiled entertainments by Greene after his series of Catholic fictions. A very good copy in mylar.