The Valley of Fear, Fourth of the Four Sherlock Holmes Novels
(Reklamlänk)
The four Sherlock Holmes novels are: A Study in Scarlet, Sign of the Four, The Hound of the Baskervilles, and The Valley of Fear. According to Wikipedia: "Sir Arthur Ignatius Conan Doyle, (22 May 1859 – 7 July 1930) was an author most noted for his stories about the detective Sherlock Holmes, which
