WHAT WAS LOST WILL BE FOUND...Harvard professor Robert Langdon is summoned to deliver an evening lecture in the Capitol Building, Washington DC. But within minutes of his arrival, a gruesome and disturbing discovery is made at the epicentre of the Rotunda. Langdon recognizes it as an ancient invitation, beckoning its recipient towards a long-lost world of hidden wisdom. And when Langdon's revered mentor is brutally kidnapped, he realizes his only chance to save his old friend is to accept this ...