J. K. Rowling. Harry Potter and the Half-Blood Prince . New York, Arthur A. Levine Books, 2005.

Harry Potter and the Half-Blood Prince is a fantasy novel written by British author J. K. Rowling. It is the sixth and penultimate novel in the Harry Potter series, and takes place during Harry Potter's sixth year at the wizard school Hogwarts. The novel reveals events from the early life of Lord Voldemort, and chronicles Harry's preparations for the final battle against him.