The Valley of Fear

The Valley of Fear The Valley of Fear is the fourth and final detective novel by Sir Arthur Conan Doyle to feature the famous protagonist Sherlock Holmes. The plot centers around a fictional secret society based on the Molly Maguires. Odin's Library Classics Odin's Library Classics is dedicated to bringing the world the best of humankind's literature from throughout the ages. Carefully selected, each work is unabridged from classic works of fiction, nonfiction, poetry, or drama.