The Valley of Fear by Arthur Conan Doyle. From the annals of Dr Watson comes this dark tale of Sherlock Holmes’ early encounter with Professor Moriarty. When Holmes and Watson receive a cipher from one of Moriarty’s henchmen warning of dark doings at a manor house, they find themselves on the trail of a murderer. Almost immediately, they are on their way to Sussex where they discover a corpse with its head blown to pieces. But all is not as it seems. For the origins of this case lie in America, and involve a Pinkerton’s man and the doings of a terrible and secretive lodge. Holmes must battle his greatest – and most lethal – enemy.