An Opus Alchymicum Vol 3: The Book of Dust

When new DADA teacher Gilderoy Lockhart starts a sinister dream-diary project, it sparks terrifying attacks against the students. With Hermione under suspicion, and Voldemort pulling the strings from afar, Harry embarks on a dangerous quest to awaken his hidden dæmon and save her life, before his best friend loses her mind and soul to the power of the Dark Lord and his Magisterium