Charlie and Diesel must catch a killer before he strikes another deadly note in this latest installment of the New York Times bestselling Cat in the Stacks Mysteries. Charlie Harris remembers Wilfred "Wil" Threadgill as one of the outsiders during high school in Athena. Although Wil was a couple of years ahead of him and his friend Melba Gilley, Melba had a big crush on Wil, who dropped out after his junior year. An aspiring musician,...