For those who love both mysteries and history, this book "The Secret Rooms: A True Story of a Haunted Castle, a Plotting Duchess, and a Family Secret  is a wonderful find. Catherine Bailey went to Belvoir Castle to use the letters of the Manners Family in writing about the effect of the Great War on the Leicestershire homefront. What she found was a six-month-long gap in the letters of John, the eldest son and future duke of Rutland, who was serving with the 4th Leicesters near Ypres. As she searched for an explanation, she found two other gaps. What was the duke trying to hide? Ms. Bailey, takes us on her search for answers, providing a fascinating example of how historians work.