A mystery story featuring an elixir that can restore a dead man to life by the creator of the gentleman-thief and detective Arsène Lupin, often described as a French counterpart to Conan Doyle's Sherlock Holmes. Maurice Leblanc (1864-1941) was a French novelist and writer of short stories, known primarily as the creator of the fictional gentleman thief and detective Arsene Lupin, often described as a French counterpart to Conan Doyle's creation Sherlock Holmes