Emile Gaboriau, who was Paul F val's secretary, penned these two masterpieces of early detective novels in 1867: The Orcival Murder: Poachers discover the lifeless body of Countess of Tremorel in the woods near her castle. Her home has been ransacked and her husband has vanished. Despite the myriad of clues left to mislead the police, Monsieur Lecoq of the S ret solves the puzzle -- but at what price? File 113: A bank's safe is robbed. Two men are...