Author: J.K. Rowling

Harry Potter: The Prequel by J.K. Rowling
Fantastic Beasts and Where to Find Them by Newt Scamander
Harry Potter and the Deathly Hallows by J.K. Rowling
Quidditch Through the Ages by Kennilworthy Whisp (J.K. Rowling)
Harry Potter and the Half-Blood Prince by J.K. Rowling
Harry Potter and the Order of the Phoenix by J.K. Rowling
Harry Potter and the Prisoner of Azkaban by J.K. Rowling
Harry Potter and the Chamber of Secrets by J.K. Rowling