Mags and Charlie are left alone for the evening and discover a giant mouse crashing around their house. The mouse has its paws on a spell book. Is it trying to cast a spell to make itself even bigger? Just as Mags and Charlie are hiding, the real identity of the mouse is revealed. Can everything be explained? Mags might just wish she hadn't told Charlie she wasn't afraid of anything.Colour in your own Halloween bookmark and more activities found at the back of the book.