|"There are plenty of eye-witness accounts. Just because you're so narrow-minded you need to have everything shoved under your nose before you–"
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The Updated Counter-Curse Handbook is a book concerning Curses and Counter-Curses.
In 1991, Peeves stole a copy of it from the Hogwarts Library. Harry Potter had to remove the Curse of the Bogies (placed by Peeves) with this book, using its counter-curse, only to find out that he had hidden it in the Muggle Studies Classroom.
By 1991, the book was already in its Second Revised Edition.
- Harry Potter and the Philosopher's Stone (video game) (GBC version only)