N or M?

<p>FIRST AGATHA CHRISTIE MYSTERY COLLECTION EDITION. April 1988 Bantam Books leatherette hardcover, Agatha Christie (The Murder of Roger Ackroyd: A Hercule Poirot Mystery). Tommy Beresford removed his overcoat in the hall of the flat. He hung it up with some care, taking time over it. His hat went carefullyonthe next peg. He squared his shoulders, affixed a resolute smile to his face and walked into the sitting room where his wife sat knitting a Balaclava helmet inkhakiwool. - Amazon</p>