Aileen O'Heidin and the Malady of Hogwarts

After defeating Xyler and his followers in the Chamber of Secrets, Aileen is determined to get answers about her mother's death - but no one expects Hogwarts to be attacked with a biological ambush. Aileen, Maxwell, Albus, Rose, and Scorpius team up once again to stop the new Dark Lord's evil plans... with a little unexpected help from Ross, Samuel, and Harry Potter himself.