City of the Sun. Book 3. Voice of Blood

Max and his friends are finally flying to Peru. This unique country will most likely be the last stop on their journey, unless everything goes as planned. The hero holds an ancient figurine of an unknown deity that is supposed to point the way to the mystical City of the Sun. The hero's father spent his whole life searching for this place. He mysteriously disappeared seven years ago, leaving behind a chain of codes, puzzles, and cryptograms. Maxim has already been to India and Sri Lanka, but the seemingly close solution has still not been found, and it is unknown whether they will be able to find the city lost in the Amazon jungle. And in general, did it even exist?