NOT JUST A WITCH - Macmillan

'I want you to change the next wicked person you see into a tiger,' demanded Lionel. 'A very large tiger.' Heckie is not just a witch - she's an animal witch, who wants to make the world a better place by transforming evil people into harmless animals, using her incredible Toe of Transformation and her awesome Knuckle of Power. But when slimy Lionel Knapsack charms Heckie, her magic begins to take a darker direction. Her friends, including a cheese wizard and a boy called Daniel, must come to the rescue . . .