Gemma and Jayne donate their time to raise money for the rebuilding of a burned out museum--but a killer wants a piece of the auction--in this fourth Sherlock Holmes Bookshop mystery Walking her dog Violet late one night, Gemma Doyle, owner of the Sherlock Holmes Bookshop, acts quickly when she smells smoke outside the West London Museum. Fortunately, no one is inside, but it's too late to save the museum's priceless collection...