A cursed book, everyone who read from it spoke in limericks for the rest of their lives.

Sonnets of a Sorcerer is a poetry book which curses anyone who reads it. They will 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.