The Harry Potter Wizarding Almanac: The Official Magical Companion to J.K. Rowling's Harry Potter Books

The Harry Potter Wizarding Almanac: The Official Magical Companion to J.K. Rowling's Harry Potter Books

The Unofficial Ultimate Harry Potter Spellbook: A complete reference guide to every spell in the realm of wizards and witches (The Unofficial Harry Potter Reference Library)

Hogwarts Library (Harry Potter)