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The Essential Defence Against the Dark Arts
Publication information
Author	Arsenius Jigger
Released	Before 1993
Publisher	Luca Books
Subject	Fighting the Dark Arts
Copies	Third-year textbook at Hogwarts School of Witchcraft and Wizardry

The Essential Defence Against the Dark Arts^[1] was a book on fighting the dark arts, written by Arsenius Jigger sometime before 1993. It was used by Professor Lupin as a required textbook for his third-year defence against the dark arts class. It was published by Luca Books^[1].

Contents^[3]

This book had information on various dark creatures, such as:

It is believed by some (though not proven), due to the similarities in text, that the page on werewolves seen in the films is copied from a website.

↑ ^1.0 ^1.1 ^1.2 Harry Potter and the Prisoner of Azkaban (film)
↑ This was the first year the book was seen
↑ These are the creatures Lupin teaches the class about, and this is the assigned textbook for the class, and hence he probably gathered some information on the Dark creatures from the book

The Essential Defence Against the Dark Arts

Publication information
Author	Arsenius Jigger^[1]
Released	Before 1993^[2]
Publisher	Luca Books
Subject	Fighting the Dark Arts
Copies	Third-year textbook at Hogwarts School of Witchcraft and Wizardry