Harvard symbologist Langdon is summoned unexpectedly to
deliver an evening lecture in the U.S. Capitol Building. Within
minutes of his arrival, the night takes a bizarre turn. A disturbing
object - artfully encoded with five symbol - is discovered in the
Capitol Building. Langdon recognizes the object as an ancient
invitation - one meant to usher its recipient into a long-lost world
of esoteric wisdom. Dan Brown again challenges readers with
an intelligent, lightning-paced story that offers surprises at every
turn.