"Once upon a time there was a little witch who was only a hundred and twenty-seven years old"--that's how the story of the little witch and her talking raven Abraxas begins, and though one hundred and twenty-seven isn't at all old for a witch, Little Witch already has a big problem. Every year, on Walpurgis Night, all the witches of the land meet to dance on Brocken Mountain. Little Witch is still too little to be invited, but this year she decided...