Mary Stuart, Bothwell, and the Casket Letters is a historical book written by John Watts De Peyster in 1890. The book explores the controversial relationship between Mary, Queen of Scots, and James Hepburn, the 4th Earl of Bothwell, as well as the infamous Casket Letters. These letters were supposedly written by Mary and found in a silver casket, which implicated her in the murder of her second husband, Lord Darnley. De Peyster delves into the historical...