"Life Guard" is a fascinating historical novel written by the famous Ukrainian writer Oleksandr Irvants. The book tells about the youngest son of the famous Cossack hetman, who decides to follow the path of military service to the great Russian tsar. A complex story of love, betrayal, loyalty and self-sacrifice unfolds before the reader. The author skillfully combines historical facts with an artistic fictional plot, which makes the book fascinating for a wide range of readers. "Lifeguard" is not only an exciting adventure, but also a reflection on important human values and the choices we make in life.