When the National Security Agency's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power.

It is a gruesome invitation into an ancient world of hidden wisdom. When Langdon's mentor, Peter Solomon - prominent mason and philanthropist - is kidnapped, Langdon realizes that his only hope of saving his friend's life is to accept this mysterious summons. It is to take him on a breathless chase through Washington's dark history.

Harvard professor Robert Langdon receives an urgent late-night phone call while on business in Paris: the elderly curator of the Louvre has been brutally murdered inside the museum. Alongside the body, police have found a series of baffling codes. \n\nAs Langdon and a gifted French cryptologist, Sophie Neveu, begin to sort through the bizarre riddles, they are stunned to find a trail that leads to the works of Leonardo Da Vinci ??? and suggests the answer to a mystery that stretches deep into...

Angels and demons was published on 28th august, 2010 it was the second bestseller written by the author, after the da vinci code the da vinci code was more of treasure hunts and about things that fascinated brown in his childhood angels and demons is more about the unraveled truths and fights between religion and science and how it escalates into one big controversy the secret brotherhood of the illuminati has always been a rival of the catholic church and now they are doing everything in the...