Snape: The definitive analysis of Hogwarts's mysterious p

Snape: The definitive analysis of Hogwarts's mysterious potions master (The Unofficial Harry Potter Character Series)

Dumbledore: The Life and Lies of Hogwarts's Renowned Headmaster: An Unofficial Exploration (The Unofficial Harry Potter Character Series)

The Ultimate Wizarding World Guide to Magical Studies: A comprehensive exploration of Hogwarts's classes and curriculum (The Unofficial Harry Potter Reference Library)