Discoveries in recent years indicate that our Rus' (Proto-Rus) may be older than Ancient Greece. This book, by selecting the most valuable from dozens of sources, gives the reader a clear picture with the optimal amount of information from different fields of science on 28 pages with illustrations. At first, the measured narrative gradually heats up the topic to the temperature of a supernova explosion. To prepare the cover, we used the drawing “The Slavs serve their gods on the island of Ruyan” by an unknown author of the 19th century from the Wikipedia resource under a CCO license.