N or M?

CHRISTIE, [Dame] Agatha (1890-1976).

London: Published for the Crime Club by Collins, 1941. [Detective Fiction] FIRST EDITION, first impression. Octavo (19 x 13cm), pp.192. Publisher's orange cloth with black titles to spine. With the dust-jacket designed by Thompson, priced at 7/6. Contents clean, a few small spots to edge, ink note to free endpaper, jacket rubbed with some tears at folds, spine sunned with an inch loss at crown. Becoming scarce in jacket. A murdered government agent leaves a cryptic message, which Tommy and Tuppence Beresford must decipher; this is the third of five cases for the adventurous detective pair, following 'The Secret Adversary' (1922) and 'Partners In Crime' (1929). They would return in 'By The Pricking of My Thumbs' (1968) and 'Postern of Fate' (1973). Item #71976

Price: £875.00