The new Sherlock Holmes novel from the New York Times bestselling author of The Age of Odin. It is 1890, and in the days before Christmas Sherlock Holmes and Dr John Watson are visited at Baker Street by a new client. Eve Allerthorpe - eldest daughter of a grand but somewhat eccentric Yorkshire-based dynasty - is greatly distressed, as she believes she is being haunted by a demonic Christmas spirit. Her late mother told her terrifying tales of the sinister Black Thurrick, and Eve is sure that s ...