N or M? By Christie, Agatha Books / Paperback Books › Fiction › Thrillers › Suspense ISBN: 0440162548 / Publisher: Dell Pub Co, November 1977 Price Starting at $9.52 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Very Good Very Good condition. (mystery) $9.52 1 in Stock at Warehouse Quantity Add Used - Very Good Very Good condition. (mystery) $10.55 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for N or M?