"Big Helmet" is a fascinating historical novel written by the outstanding Ukrainian writer Oleksandr Kornienko. The book tells about the life and adventures of Prince Igor Olegovich, who sought to preserve the independence of his princely state in the face of enemy threats and intrigues. The author skillfully reproduces ancient Russian traditions, rites and customs of that time, allowing the reader to be transported to the mysterious world of medieval Russia. "Big Slam" is an exciting journey into the past, where battles, romance and real spiritual struggle await us.