Weakened by endless wars and environmental disasters, humanity has become easy prey for the dark princes invading from outer space. Navigator Gleb Tanaev, who died and was reborn on distant Elan, is the only one who is able to save the ancestral homeland of people. He will have to overcome the fierce resistance of the new rulers of the Earth, and then master the path leading to the gates of another world in order to regain the legendary Sword of Prometheus and free his home planet from evil spirits. The famous trilogy of the patriarch of the Russian science fiction action film Evgeniy Gulyakovsky is collected under one cover for the first time! Contents: Impact Zone (novel) Fire of Prometheus (novel) Visit to Prometheus (novel)