Mildred Invents an Animal-Speaking Spell! Mildred may still be the worst witch at Miss Cackle’s Academy, but she’s created the best holiday project ever—and she’s sure that the fearsome Miss Hardbroom will be impressed. Even her arch-enemy, Ethel Hallow, seems to be acting unusually friendly. But that’s until Mildred discovers that Ethel has stolen her animal-speaking spell, landing Mildred in big trouble with Miss Hardbroom—once again!