Dan Brown's new novel once again features Harvard symbologist Robert Langdon, this time in the United States, racing to uncover clues and crack codes involving secrets that are perpetuated to this day. But how much of the novel is true and what is pure fiction? Simon Cox, bestselling author of Cracking the Da Vinci Code and Illuminating Angels & Demons , offers the first definitive guide to all the mysteries featured in The Lost Symbol . Based on extensive research, this A-to-Z guide lists the real people, organizations, and themes featured in Dan Brown's latest novel, explains their histories and their meanings, reproduces and analyzes the symbols themselves, and provides insider knowledge gleaned from years of exhaustive study. From the monuments of Washington, D.C., to the secrets of Salt Lake City and the hidden enclaves in Langley, Virginia, Cox knows where the facts are hidden about the Freemasons, Albert Pike, the Rosicrucians, the Founding Fathers, and more. This is the only resource you'll need to understand and enjoy the complex new world of The Lost Symbol .