: The book focuses heavily on the rituals, symbols, and history of the Freemasons, including their influence on the founding of the United States and iconic landmarks like the Washington Monument.
is a fast-paced thriller by Dan Brown that explores the hidden history of Washington, D.C., and the world of Freemasonry. It is the third novel featuring Harvard symbologist Robert Langdon , following Angels & Demons and The Da Vinci Code . Plot Overview The Lost Symbol
: Langdon teams up with Peter’s sister, Katherine Solomon , a scientist in the field of Noetic science, while being pursued by CIA Director Inoue Sato . Major Themes & Concepts : The book focuses heavily on the rituals,