: Lists specific facts found in the book, such as why Muggles only see ruins or why boys can't enter girls' dorms. Real-World Companion Books

Since J.K. Rowling hasn't released the actual 1,000-page book mentioned in the novels, fans have compiled everything Hermione Granger mentions into detailed guides:

If you want to read something physically similar to a history of the school, these official books are the closest matches: