The Lost Symbol Apr 2026

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 story unfolds over a single, intense 12-hour period in Washington, D.C.. The Lost Symbol

: Features prominent sites like the House of the Temple , the Library of Congress , and the National Cathedral . is a fast-paced thriller by Dan Brown that

: Langdon is summoned to the U.S. Capitol to give a lecture but finds a severed hand—the " Hand of the Mysteries "—belonging to his mentor and prominent Freemason, Peter Solomon . : Features prominent sites like the House of

: Through Katherine Solomon’s work, the novel explores the idea that human consciousness can physically affect matter—a blend of ancient mysticism and modern scientific research.