The Harry Potter Wizarding Almanac: The Official Magical Companion to J.K. Rowling's Harry Potter Books
ISBN: 1339018144
ISBN 13: 9781339018140
Authors: J.K. Rowling, Peter Goes, Louise Lockhart, Weitong Mai, Olia Muza, Levi Pinfold, Pham Quang Phuc, Tomislav Tomić
