Title: The Lost Symbol
Description: The Lost Symbol is a 2009 novel written by American writer Dan Brown. It is a thriller set in Washington, D.C., after the events of The Da Vinci Code, and relies on Freemasonry for both its recurring theme and its major characters.

Released on September 15, 2009, it is the third Brown novel to involve the character of Harvard University symbologist Robert Langdon, following 2000's Angels & Demons and 2003's The Da Vinci Code.

----------
See also:
[Lost Symbol [2/2]](https://openlibrary.org/works/OL27717939W)
Subjects: Suspense & Thriller, Historical Fiction, Aventures, Langdon, Robert (Personnage fictif), Kidnapping, Signes et symboles, Secret societies, Cryptographers, Fiction, Franc-macʹonnerie, Roman a suspense, Freemasonry, Romans, nouvelles, Cryptographes, Societes secretes, human enlightenment, Noetic Science, Signs and symbols, Action and adventure fiction, thrillers, Mystery fiction, Detective and mystery fiction, ciphers, fictional works, adventure stories, suspense fiction, adventure fiction, Cryptographers in fiction, Freemasonry in fiction, Symbolik, Verschwo rung, Freimaurer, Translations into German, American fiction, Robert Langdon (Fictitious character), Freemasons, Langdon, Robert (Fictitious character), Masonería, Langdon, Robert (Personaje literario), Ficción, Criptógrafos, Reading Level-Grade 9, Reading Level-Grade 11, Reading Level-Grade 10, Reading Level-Grade 12, Skönlitteratur, Kryptologi, Frimurare, Langdon, robert (fictitious character), fiction, Fiction, thrillers, Fiction, thrillers, general, Novela, Spanish language materials, Translations into Dutch, Verschwörung, nyt:hardcover-fiction=2009-10-04, New York Times bestseller, New York Times reviewed, Ficção americana, Franc-maçonnerie, collectionid:dbrl
Places: Washington D.C., House of the Temple, Harvard University, U.S. Capitol Building, Capitol Rotunda, Europe, Turkey, Greece, Washington Monument, Washington (D.C.)
People: Robert Langdon (Fictitious character), Robert Langdon, Peter Solomon, Trent Anderson, Inoue Sato, Warren Bellamy, Mal'akh, Trish Dunn, Colin Galloway, Jonas Faukman, Nola Kaye, Omar Amirana, Christopher Abaddon, Andros Dareios, Isabel Solomon, Katherine Solomon, Zachary Solomon