Originally a 4-part play written by Maurice Leblanc and Francis de Croisset in 1908, it was subsequently novelized by Leblanc and published in 1909. First translated in English in 1909 by Edgar Jepson.<br /><br />Chapters:<br />1. The Millionaire&#39;s Daughter<br />2. The Coming of the Charolais<br />3. Lupin&#39;s Way<br />4. The Duke Intervenes<br />5. A Letter from Lupin<br />6. Again the Charolais<br />7. The Theft of the Motor-Cars<br />8. The Duke Arrives<br />9. M. Formery Opens the Inquiry<br />10. Guerchard Assist<br />11. The Family Arrives<br />12. The Theft of the Pendant<br />13. Lupin Wires<br />14. Guerchard Picks up the True Scent<br />15. The Examination of Sonia<br />16. Victoire&#39;s Slip<br />17. Sonia&#39;s Escape<br />18. The Duke Stays<br />19. The Duke Goes<br />20. Lupin Comes Home<br />21. The Cutting of the Telephone Wires<br />22. The Bargain<br />23. The End of the Duel