Unlock the secrets of The Lost Symbol There is only one Dan Brown—and there is only one Secrets team that has achieved worldwide bestselling success by providing curious readers with compelling and authoritative explorations into the thought-provoking ideas that lie behind Brown's bestselling novels. Once again, Dan Burstein and Arne de Keijzer have gathered a wide range of world-class historians, theologians, scientists, philosophers, symbologists, code breakers, art historians, experts on the occult, and writers and thinkers of all types who give readers the essential tools to understand The Lost Symbol. Contributors include Amir Aczel, mathematician, science historian, and author of Fermat's Last Theorem Karen Armstrong, author of The Case for God and The Great Transformation: The Beginning of Our Religious Traditions William Arntz, writer and director of the film What the Bleep Do We Know!? Michael Barkun, former FBI consultant and author of A Culture of Conspiracy Steven Bullock, author of Revolutionary Brotherhood Richard Dawkins, scientist and author of The God Delusion and The Greatest Show on Earth Elonka Dunin, cryptographer Heather Ewing, architectural historian, former curator at the Smithsonian Institution, and author of The Lost World of James Smithson Mitch Horowitz, author of Occult America: The Secret History of How Mysticism Shaped Our Nation Arturo de Hoyos, 33º Mason and leading scholar of Freemasonry Marcelo Gleiser, professor of physics at Dartmouth and author of A Tear at the Edge of Creation: Searching for the Meaning of Life in an Imperfect Cosmos George Johnson, science writer and author of Architects of Fear: Conspiracy Theories and Paranoia in American Politics Irwin Kula, rabbi and author of Yearnings: Embracing the Sacred Messiness of Life Lynne McTaggart, Noetics expert and author of The Intention Experiment Michael Parkes, artist and painter of The Three Graces David Plotz, editor of Slate.com and author of Good Book Ingrid Rowland, professor at the University of Notre Dame School of Architecture James Sanborn, artist of the legendary encrypted Kryptos sculpture at CIA headquarters Marilyn Mandala Schlitz, president of the Institute of Noetic Sciences Jeff Sharlet, Pulitzer Prize-winning investigative journalist and author of The Family: The Secret Fundamentalism at the Heart of American Power David A. Shugarts, author of Secrets of the Widow's Son Mark Tabbert, director of collections at the George Washington Masonic National Memorial and author of American Freemasons James Wasserman, author of The Secrets of Masonic Washington