A Bad Spell for the Worst Witch (The Worst Witch #3) (1982)
A Bad Spell for the Worst Witch (The Worst Witch #3) is a 1982 young adult fiction book written by Jill Murphy and Dominique Boutel.
Although her second year at Miss Cackle's Academy for Witches starts off better than her first, Mildred Hubble soon regains her reputation as the worst witch in the school when she and Ethel Hallow resume feuding.