"Lost Symbol" by Dan Brown is a thrilling fiction novel published in 2009 by Knopf Doubleday Publishing Group. It is part of the Robert Langdon series and follows the storyline of a suspenseful thriller with elements of history and politics. The hardcover format features illustrations and spans across 528 pages, making it a comprehensive and engaging read for fans of the genre. With its captivating plot and engaging storytelling, this book is sure to keep readers entertained and on the edge of their seats.