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 & 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. & when Langdons revered mentor is brutally kidnapped he realizes his only chance to save his old friend is to accept this sinister summons... All that was familiar is transformed into a shadowy clandestine world in which Masonic secrets & never-before-seen revelations seem to be leading him to a single impossible & inconceivable truth. As Langdon will discover there is nothing more extraordinary or shocking than the secret which hides in plain sight...A brilliantly composed tapestry of veiled histories arcane icons & enigmatic codes The Lost Symbol" is an intelligent lightning-paced thriller that offers surprises at every turn. This exclusive edition features over 250 photographs & illustrations allowing the reader to explore the rich historical research from which Dan Brown drew his inspiration & uniquely complementing the reading experience."