English short story writer and novelist (1869–1951) best known for his many ghost stories and ‘weird’ fiction. ALS, one page, lightly-lined, 7.75 x 8.75, January 10, 1920. Letter to Mr. Bladgett. In part: “It is both a joy and an encouragement to me to know that I have an understanding reader in your distant city, and I thank you most heartily for taking the trouble to send me your friendly greeting.” Central vertical and horizontal folds, and a tear and slight paper loss to right edge, otherwise fine condition. This is the very first autograph we have offered of this most important author—a pioneer in the genre of supernatural fiction, influencing the likes of H. P. Lovecraft and William Hope Hodgson. RR Auction COA.