New York: Alfred A. Knopf, 1940

8vo, pp. 284. Original black boards, lettered in green to spine, blind-stamped zigzag to front panel. Leading edge uncut. Illustrated dust jacket by Florian, author's photographic portrait to rear panel. Bookplate to front pastedown, offsetting to endpapers, spine ends a little bumped, a very good copy in a very good dust jacket with just a little wear to spine ends.

First US edition, First published by Hodder & Stoughton in 1938.

Early Ambler title, a spy thriller set in Fascist Italy, by the writer described by John Le Carré as 'the source on which we all draw'.