Publisher's Synopsis
12-year-old Theo loves to read. One day, whilst rummaging through the bookshelves in his local library, he stumbles upon a large, ancient, leather-bound book. When he opens it, he realises that it is a 'Grimoire' - a wizard's spellbook! Inside the book, Theo discovers a mysterious piece of paper - which turns out to be the key to helping him decode a recipe for an invisibility ring.