About the book: 2022 / The book of the historian and outstanding writer Igor Mozheiko "Secrets of Rus'" will tell about the most interesting mysteries of the history of our homeland. You will find out where the remains of mammoths were found, whether the Amazons lived in Rus', whether the “Book of Veles” actually existed, where the name “kopek” came from, whether it is true that Ivan the Terrible had an older brother, how Princess Olga’s embassy to Byzantium ended... and much more. For secondary school age. In PDF A4 format, the publishing design is preserved.