N or m is a work of detective fiction by agatha christie first published in the us by dodd mead and company in 1941 and in the uk by the collins crime club in . N or m has 14869 ratings and 790 reviews rizwan said . N or m is a work of detective fiction by agatha christie first published in the us by dodd mead and company in 1941 and in the uk by the collins crime club in . N of m is een detectiveverhaal van agatha christie het boek verscheen oorspronkelijk in de verenigde staten in 1940 onder de titel n or m en werd uitgegeven door . N or m is not the usual murder mystery we associate with agatha christie however it is an exciting spy yarn and there are murders along the way