Robert Langdon, Esteemed Professor Of Symbology, Travels To Prague To Attend A Groundbreaking Lecture By Katherine Solomon-a Prominent Noetic Scientist With Whom He Has Recently Begun A Relationship. Katherine Is On The Verge Of Publishing An Explosive Book That Contains Startling Discoveries About The Nature Of Human Consciousness And Threatens To Disrupt Centuries Of Established Belief. But A Brutal Murder Catapults The Trip Into Chaos, And Katherine Suddenly Disappears Along With Her Manuscript. Langdon Finds Himself Targeted By A Powerful Organization And Hunted By A Chilling Assailant Sprung From Prague's Most Ancient Mythology. As The Plot Expands Into London And New York, Langdon Desperately Searches For Katherine . . . And For Answers. In A Thrilling Race Through The Dual Worlds Of Futuristic Science And Mystical Lore, He Uncovers A Shocking Truth About A Secret Project That Will Forever Change The Way We Think About The Human Mind-- Provided By Publisher.