Arthur Conan Doyle 
The Valley of Fear 

The Valley of Fear Arthur Conan Doyle – The Valley of Fear is the fourth and final Sherlock Holmes novel by Sir Arthur Conan Doyle. It is loosely based on the Molly Maguires and Pinkerton agent James Mc Parland. The story was first published in the Strand Magazine between September 1914 and May 1915. The first book edition was copyrighted in 1914, and it was first published by George H. Doran Company in New York on 27 February 1915, and illustrated by Arthur I. Keller

عن المؤلف

Sir Arthur Ignatius Conan Doyle, DL (22 May 1859 7 July 1930) was a Scottish author most noted for his stories about the detective Sherlock Holmes, which are generally considered a major innovation in the field of crime fiction, and the adventures of Professor Challenger. He was a prolific writer whose other works include science fiction stories, historical novels, plays and romances, poetry, and non-fiction. Conan was originally a given name, but Doyle used it as part of his surname in his later years.