Nancy Farmer's real fame came after the release of the novel "The House of the Scorpion." The book became a sensation in the literary world. The novel was nominated for a number of prestigious literary awards, was awarded the National Prize in the field of literature for children and youth and other no less honorable awards, was treated kindly by many masters of literature, the famous studio "Warner Brothers" is making a film based on the book. In "Sea of Trolls" the author immerses us in the legendary times of the Vikings. In one of his raids on the shores of England, Olaf One-brow, leader of the berserkers, takes eleven-year-old Jack and his five-year-old sister Lucy captive. Olaf at first does not know that Jack is the student of the Bard, a druid from Ireland nicknamed Dragontongue. But when Jack had to put into practice the skills of magical art, he becomes an indispensable assistant on a dangerous voyage to the halls of the Mountain Queen, the mistress of Etunheim, the land of giants.