About the book: 2022 / Three hundred years ago the world changed. A terrible epidemic threatened to destroy all of humanity. To stop the spread of the disease, people surrounded the affected area with a protective Barrier. Anyone who touches it dies on the spot. Life inside the Barrier has slipped to the level of the Middle Ages. And the world outside has moved far ahead. Young inventor Peter Mathieu overcomes the Barrier on a dare and plunges into the world of high technology. He is helped to understand it by Half-Face - the Watcher of the Tower, expelled from the highest caste of Er-lans, “the most beautiful”. They are irresistibly drawn to each other, but can they be together? After all, they come from completely different worlds, and right now a monstrous threat hangs over one of them…