Who hasn’t dreamed of investigating the mysteries in their favorite books?
A new mystery has come knocking on Pierre Bayard and Edith’s door!
A letter from the past sets them on the trail of the murderer of a young soldier from World War I. But the only clues left by the young man are based on a mysterious book that our detective and his amazing partner have never heard of.
Never mind! Bayard, Edith, Bas-de-Casse, and Minuit-Pile set off in search of answers: who killed Fromentin du Blutoir? And what is the famous unknown novel that could help unmask the culprit?
They head to London and a very disturbing house to try to solve this new mystery…
