The Clocks Agatha Christie

First British Edition, THE CLOCKS, by Agatha Christie. Published for The Crime Club by Collins, St. James, London, 1963. Hardcover in unclipped Dust Jacket. Previous owner's name written in blue ink on front endpaper. Dust Jacket is in protective mylar. Some light wrinkling noted to top and bottom of the dust jacket near the spine. Inside, the book and the binding are in Very Good condition with the exception of an ~0.5" stain noted at the bottom of the closed book pages. Please see up close photo. At the middle of the book, at page 131, there is slight exposure of the hinges not noted elsewhere in the volume. Faint smudges over the tops of a few pages around 84, 85 and on either side (see photo). What the source of this stain was in a mystery. a mystery for the likes of Hercule Poirot and Inspector Hardcastle!