About the book: 2006 / Once upon a time, the people of this planet owned high technologies... But for many centuries now, a monstrous catastrophe has thrown civilization into the distant past, and now only Emperor Ajannar and a few of his close ones have knowledge of ancient secrets. Suddenly, the “barbarian” planet found itself the object of a struggle between two warring armies of aliens from outer space - humanoid Tayu. Emperor Ajannar and his first minister Din intend to enter into an alliance with friendly "aliens" - and with with their help to resist the invasion. However, to do this, people will again have to use forbidden knowledge…