Moggie McFlea : The Witch's Cat - Anna Kemp

Beneath that hat is a very bad cat, her name is Moggie McFlea:  The maddest, baddest, mischief-making cat in history. . . 

When Magic Magda takes in villainous Moggie McFlea, things do not go well as Moggie tinkers with Magda’s every spell, resulting in cream in every fountain and a tabby on TV. Mags is in despair! But even Moggie McFlea doesn’t want to make poor Magda cry, so will they find a way to get the most out of being both naughty and nice?  Discover tricks and treats galore in this funny and affectionate story from the bestselling author of Dogs Don't Do Ballet, with irresistibly spiky illustrations from Adam Beer.