As much as Beatrice Hyde-Clare relished the challenge of figuring out who murdered a fellow guest during a house party in the Lake District, she certainly does not consider herself an amateur investigator. So when a London dandy falls dead at her feet in the entryway of a London Daily Gazette, she feels no compulsion to investigate. It was a newspaper office, after all, and reporters are already on the case as are the authorities. She has her own...