About the book: year / Young history professor and archaeologist Ivan Shlyapnikov, who has gone through many amazing adventures in search of ancient relics, sets off to test himself in a new adventure. This time he decides to reveal the secrets of the Pyramid of Khafre, the Great Sphinx, the Ark of the Covenant, the Tabernacle of the Meeting and the Holy Grail, which, as it turns out, are parts of an ancient puzzle. The outcome of the trip was completely unexpected even for Shlyapnikov himself, who left his home planet on a unique starship...