The Lost Symbol

Robert Langdon, a professor of symbology, is urgently summoned by his friend Peter Solomon, a philanthropist and high-ranking Freemason, to deliver a lecture that very evening. Upon arriving at the Capitol Rotunda, he makes a gruesome discovery.

This will be the first clue in a thrilling quest, from the basements of the Library of Congress to Masonic temples, in search of Freemasonry's best-kept secret. An adventure where esoteric traditions clash with Robert Langdon's formidable intelligence.