Washington D.C.: Harvard symbologist Robert Langdon is unexpectedly summoned for an evening lecture at the Capitol Building. However, moments after his arrival, a disturbing discovery is made in the center of the Rotunda: a terrifyingly encoded symbol known to Langdon as an ancient invitation leading its recipient to lost esoteric wisdom secrets. When Langdon's revered mentor, Peter Solomon, distinguished Mason and benefactor, is abducted, Langdon's only hope to save his friend is to accept the mysterious call, wherever it may lead. Soon, Langdon is plunged into hidden chambers, structures, and secret tunnels of America's most historic city. What seems familiar becomes a mysterious world revealing Masonic secrets and unprecedented discoveries leading to an unbelievable truth.

A masterfully woven narrative filled with hidden historical events, enigmatic symbols, and cryptic codes. 'The Lost Symbol' is a compelling and intelligent story, surprising the reader at every turn, as Robert Langdon learns there's nothing stranger than the secrets plainly visible.