The book includes Olga Dzyuba’s trilogy about amazing creatures - animorphs, who can transform into different animals. At the center of the events is the story of the struggle between Volchkov Zhenya, who is just immersing himself in the unusual world of demihumans, and his worst enemy, the Black Werewolf. The Black Werewolf, or Black Raven, has been keeping the entire Enchanted Forest, the place of power of the Animorphs, in fear for many years. Volchkov's wife and his faithful friends Viola and Vita will have to go through many tests, fight the most dangerous magician and discover the secret of the Heart of the Forest. For middle school age.