The West End Horror: A Posthumous Memoir of John H. Watson, M.D. is a Sherlock Holmes pastiche novel by Nicholas Meyer, published in 1976. It takes place after two of Meyer's other Holmes pastiches, The Seven-Per-Cent Solution and The Canary Trainer, though it was published in between the two. The West End Horror made The New York Times Best Seller list for eleven weeks between June 13, 1976 and August 22, 1976.