The Worst Witch All At Sea is the fourth hilarious adventure in The Worst Witch series. Mildred Hubble is in deep water on the school tripLovable but disasterprone Mildred Hubble is possibly the worst ever trainee witch to darken the doors of Miss Cackles Academy for Witches.When the class goes for a weeks school trip to the seaside Mildred cant bear to leave behind her beloved cat Tabby behind so she smuggles him along. But keeping Tabby hidden leads Mildred into yet more trouble...A wonderful zany story Daily TelegraphLook out for more of Mildreds disastrous adventures The Worst Witch The Worst Witch Strikes Again A Bad Spell for the Worst Witch The Worst Witch Saves the Day The Worst Witch to the Rescue The Worst Witch and the Wishing Star and First Prize for the Worst Witch.