Marie-Thérèse played a key role in shaping European politics.In addition, as the Duchesse d'Angoulême, her face-off with Napoleon's soldiers was certainly a testament to three generations of strong women.

Often, one discovery leads to interest in another. After the Dauphin's heart had undergone DNA testing and was placed in the crypt at St. Denis, I think people wanted some closure to the story about the fate of the royal couple's only child who survived the gruesome Temple Prison. I know I did.

Marie-Thérèse played a key role in shaping European politics.In addition, as the Duchesse d'Angoulême, her face-off with Napoleon's soldiers was certainly a testament to three generations of strong women.

The woman who became the Duchesse d'Angoulême did indeed have painful memories, but she was not only very brave but I would say she had "nerves of steel." As I wrote in the book, one woman, defeated, one woman, defiant.

I tell my students, if you are going to spend days and months and years with someone, you had better like that person!