"Dealer of Secrets" is an exciting thriller from the famous writer Steve Berry. The main character, Cotton Malone, embarks on a dangerous mission to unravel the mystery of an ancient manuscript that contains the greatest mystery in human history. Delving into the crucial origins of the legend of the Sword of Constantinople, Malone faces intrigue, betrayal and the deadly game of diplomacy. Will he be able to save his life and solve a mystery that could change the course of world history? "Merchant of Secrets" is an exciting journey into the world of uncovering secrets, where every step can lead to danger or the discovery of an incredible truth.