The Bloody Jack Series is a historical fiction series written by L.A. Meyer. It follows the adventures of a young girl named Mary "Jack" Faber in early 19th-century England. After losing her family, Jack disguises herself as a boy to join a British warship, where she faces various challenges and adventures at sea. The series consists of several books, starting with "Bloody Jack", published in 2002. It explores themes of identity, bravery, and friendship while providing a vivid portrayal of life in the British Navy during the Napoleonic Wars. The books are popular among young adult readers for their engaging storytelling and strong female protagonist.