The Castleton Affair: A gripping 1920s historical mystery

When mystery writer Marius Quin and his sleuthing partner, Lady Bella Montague, are hired by a secretive stranger to find a missing civil servant, they immediately set to work. Ernest Castleton was taken at gunpoint days earlier, but with the help of his distraught fiancée, Marius and Bella uncover a vital clue. Ernest hid a cryptic letter in the British Museum, and it sends the intrepid duo on a trail that stretch...