The Lost Symbol by Dan Brown

The Da Vinci Code's Robert Langdon is back in The Lost Symbol. He's been invited to Washington at the last minute to make a speech about the fraternal order of Masons and to bring a certain box entrusted to him by a 33rd degree Mason. This box allegedly holds the secret to the Ancient Mysteries. A very real angel of death is searching for it; indeed, he has made all the arrangements that have brought Langdon to Washington. The story unfolds at breakneck speed, the main action taking place in less than twenty-four hours. Read more.

_{Photo credit: Knopf}