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Where did we come from? Where are we going?
Are you sure you're ready to hear the answer?

For centuries, the world's religions have tried to explain the origin of man. And now Kirsch - a former student of Robert Langdon, a famous billionaire and inventor - makes a stunning discovery that can not only shake, but also refute the postulates of all religions. Professor Robert Langdon is invited to give a sensational lecture at the Guggenheim Museum. But before Kirsch can present his incredible theory, he is murdered. The materials of Kirsch's lecture are protected by a 47-digit password... Now it is up to Professor Langdon and the museum's director, Ambra Vidal, to ensure that the world learns the secret of its origins.

Complex puzzles, escape from the Spanish police, deadly clashes, riddles similar to the bizarre buildings of the famous Gaudi, dizzying interweaving of Barcelona streets - and somewhere in this whirlwind is the source...