Summer break is over and the twins return to Lindenhof, which has changed very much because Mademoiselle Bertoux has taken over while Mrs. Theobald is traveling.Summer break is over and the twins return to Lindenhof, which has changed very much because Mademoiselle Bertoux has taken over while Mrs. Theobald is traveling.Summer break is over and the twins return to Lindenhof, which has changed very much because Mademoiselle Bertoux has taken over while Mrs. Theobald is traveling.