From Expelliarmus to Expecto Patronum to the three Unforgivable Curses, Harry Potter: Mini Book of Spells and Charms explores the off-screen magic that brought the on-screen incantations of the wizarding world to life. Part of a continuing line of palm-size Harry Potter art books, this newest miniature book allows fans to dig deeper into the magic of Harry Potter through concept illustrations, unit photography, and production notes on spells featured in the films.