"Bloody Jack" is a historical novel written by L.A. Meyer, set in the early 19th century. It follows the adventures of a young girl named Mary "Jack" Faber, who disguises herself as a boy to join a British warship after losing her family to poverty. The story explores themes of identity, bravery, and the challenges of life at sea. As "Jack," she faces various trials, including navigating the dangers of naval life and forming friendships with her crewmates. The novel highlights the struggles of women in a male-dominated society and showcases the resilience and resourcefulness of its protagonist.