Harry Potter and the Chamber of Secrets

"Harry Potter and the Chamber of Secrets" is the second book in the Harry Potter series by J.K. Rowling. The theme revolves around Harry Potter's second year at Hogwarts School of Witchcraft and Wizardry, where he uncovers hidden secrets about the school and faces a dangerous creature that's petrifying students. The theme includes elements of friendship, bravery, magic, mystery, and adventure.