Yoto says: Mildred's cat, Tabby, wreaks havoc during a school trip to the sea! The fourth story in The Worst Witch series.
Lovable, but disaster-prone Mildred Hubble is a trainee at Miss Cackle's Academy for Witches, but she's making an awful mess of it. Mildred can't bear to leave behind her beloved cat, Tabby, when the class goes for a week beside the seaside. But keeping Tabby leads Mildred into yet more trouble.