This is the second book in the Harry Potter series. He continued the adventures of Harry Potter in his second year at Hogwarts School of Witchcraft and Wizardry. Harry returns to Hogwarts after spending the summer with the Dursleys, only to discover that mysterious events indicate that the Chamber of Secrets has been opened. As Harry investigates, he uncovers dark secrets about the history of Hogwarts and faces threats from the evil spirits haunting the students.