Fifth in the critically acclaimed mystery series.

London 1812. When the controversial reform-minded Bishop of London is found bludgeoned to death in an ancient crypt beside the corpse of an unidentified man murdered decades before, Sebastian St. Cyr, Viscount Devlin, reluctantly agrees to investigate. As his search for the killer leads him from the back alleys of Smithfield to the power corridors of Whitehall, Sebastian must confront the well-guarded secrets of his own family's past--and a devastating truth that could ultimately force him to question who--and what--he really is.

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