The old book was left to molder until only the cover was left to show it had ever been written.
The house had been untenanted for some years and was threatening to molder into a picturesque decay when the Douglases took possession of it.1914 September – 1915 May, Arthur Conan Doyle, “The Tragedy of Birlstone”, in The Valley of Fear: A Sherlock Holmes Novel, New York, N.Y.: George H[enry] Doran Company, published 27 February 1915, →OCLC, part I (The Tragedy of Birlstone), pages 46–47: