The Dead in Their Vaulted Arches is by Alan Bradley. The sixth book in the Flavia de Luce series. The body of Flavia's mother has been found and is being brought home to Bishop's Lacey. As the body is being taken from the train, a strange man approaches Flavia with a mysterious warning. He is then pushed in front of the departing train and murdered. Who was he? What did the warning he gave Flavia mean? Who are the unknown relatives who suddenly appear? Flavia must answer all these questions as she deals with the death of a mother she never knew.
Ratings: 9th grade - 9 out of 10 - AC (mature thematic content).