It's also stretching the truth a little bit. Dumas had 45 employees who worked with him to write the novels. So, he was more running a studio with a process to create great novels rather than actually writing each novel.
Hi, sorry, didn't see your comment before. Yes, even the big ones. A big part of the research and writing of the Count of Monte Cristo was done by Auguste Maquet who was one of his main ghostwriter. August Maquet also worked on all the sequels from the Three Musketeers but not the first novel.
Are all Dumas novels written this way? Even the 'big' ones like Count of MC and Three musketeers?