ContentsI[In which we Begin not to Understand]II["In which Joseph Rouletabille Appears for the First Time]III[“A Man Has Passed like a Shadow through the Blinds”]IV[“In the Bosom of Wild Nature”]V[In which Joseph Rouletabille Makes a Remark to Monsieur Robert Darzac which Produces its Little Effect]VI[In the Heart of the Oak Grove]VII[In which Rouletabille Sets out on an Expedition under the Bed]VIII[The Examining Magistrate Questions Mademoiselle Stangerson]IX[Reporter and Detective]X[“We shall have to eat Red Meat—Now”]XI[In which Frédéric Larsan Explains how the Murderer was Able to get out of The Yellow Room]XII[Frédéric Larsan’s Cane]XIII[“The Presbytery has Lost Nothing of its Charm, nor the Garden its Brightness”]XIV[“I Expect the Assassin this Evening”]XV[The Trap]XVI[Strange Phenomenon of the Dissociation of Matter]XVII[The Inexplicable Gallery]XVIII[Rouletabille has Drawn a Circle between the Two Bumps on his Forehead]XIX[Rouletabille Invites me to Breakfast at the Donjon Inn]XX[An Act of Mademoiselle Stangerson]XXI[On the Watch]XXII[The Incredible Body]XXIII[The Double Scent]XXIV[Rouletabille Knows the Two Halves of the Murderer]XXV[Rouletabille Goes on a Journey]XXVI[In which Joseph Rouletabille is Awaited with Impatience]XXVII[In which Joseph Rouletabille Appears in all his Glory]XXVIII[In which it is Proved that one does not Always Think of Everything]XXIX[The Mystery of Mademoiselle Stangerson]