Cotton Malone has been called on to defend his country's safety in many exotic locations around the world, often using his knowledge of history to get to the heart of mysteries and conspiracies stretching back for centuries. But never has the danger been quite so close to home.A stunning opening sets the tone of explosive action and mind-bending intrigue as Cotton battles an extraordinary group of families whose unseen influence dates back to the pages of the U.S. Constitution - and whose thirst for power is about to be satisfied by the cracking of a code devised by Thomas Jefferson himself.