Rebecca and the Wicked Witch — Margaret Pearce

Rebecca has a new teacher, sneaky meanie Miss Baroom. The new teacher is a powerful and wicked witch, who prowls the district after dark riding a bewitched human called Emmaline.
Why is a powerful wicked witch in their quiet district? With the help of the house goblins and her owl, Rebecca finds out and has to stop her before dreadful things happen to everyone.