Brigid Lucy and the Princess Tower

Brigid Lucy tries to be good, but it doesn't always work. This could be due to the invisible imp hiding in her hair. Biddy is excited when she spots a real-life Princess Towerfrom the window of the train.

So is the invisible imp that livesin her hair - it is going to lead to all sorts of trouble!Mum says the tower is a cathedral, but what do grown-upsknow?

When Biddy and the imp investigate further, theydiscover that Princess Rapunzel is trapped inside the tower. Can Biddy save the day?