Produced by Charles Franks and the Online Distributed Proofreading Team. HTML version by Al Haines. I. SUMMER LIGHTNING II. A CRY FOR HELP III. PERRICHET'S STORY IV. AT THE VILLA V. IN THE SALON VI. HELENE VAUQUIER'S EVIDENCE VII. A STARTLING DISCOVERY VIII. THE CAPTAIN OF THE SHIP IX. MME. DAUVRAY'S MOTOR-CAR X. NEWS FROM GENEVA XI. THE UNOPENED LETTER XII. THE ALUMINIUM FLASK XIII. IN THE HOUSE AT GENEVA XIV. MR. RICARDO IS BEWILDERED XV. CELIA'S STORY XVI. THE FIRST MOVE XVII. THE AFTERNOON OF TUESDAY XVIII. THE SEANCE XIX. HELENE EXPLAINS XX. THE GENEVA ROAD XXI. HANAUD EXPLAINS…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어