Sonnets of a Sorcerer was a book which cursed anyone who read it. They would speak in limericks for the rest of their lives. Ron Weasley mentioned this book to Harry Potter when discussing the reasons why a book could be dangerous. It was confiscated by Arthur Weasley, working for the Misuse of Muggle Artefacts Office. It was found on Hermione Granger's bookshelves at the British Ministry of Magic in 2020.