Unlock the secrets of The Lost Symbol. There is only one Dan Brownand 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.