Hi welcome on the forum. 8 official books?? there are 7 official books. Plus there is one Fantastic Beasts and where to find them. It is supposed to be Ron's Copy with Ron's commentary on free space of the pages.
Also there is Quidditch through the ages. and
- The Tales of Beedle the Bard
- Book of Spells (stories and descriptions were written by Rowling)
- Book of Potions (stories and descriptions were written by Rowling)
three new e-books :
Hogwarts: An Incomplete and Unreliable Guide,
Short Stories from Hogwarts of Power, Politics and Pesky Poltergeists
Short Stories from Hogwarts of Heroism, Hardship and Dangerous Hobbies
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