Book of Spells, Harry Potter Wiki

Book of Spells was a spellbook written by Miranda Goshawk. An old copy of it (probably a first edition, seeing as such rare books were known to be kept there) was kept at the Hogwarts Library, in the Restricted Section. The Book of Spells was a huge success, and was used in several schools for magic all over the world. It had since been translated into seventy-two different languages (including Gobbledegook and Mermish). Some two hundred years after its publication, a student at Hogwarts School

The Standard Book of Spells, Grade 2, Harry Potter Wiki

I wonder what else people have found in the game files, this is

Book of Potions, Harry Potter Wiki

Category:Spellbooks, Harry Potter Wiki

How many total spells are there in Harry Potter? - Quora

Fantastic Beasts and Where to Find Them (companion book)

Harry Potter - Wikipedia

Miranda Goshawk, Harry Potter Wiki

Harry Potter and the Prisoner of Azkaban - Wikipedia