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 Tower from the window of the train. So is the invisible imp that lives in her hair – it is going to lead to all sorts of trouble! Mum says the tower is a cathedral, but what do grown-ups know? When Biddy and the imp investigate further, they discover that Princess Rapunzel is trapped inside the tower. Can Biddy save the day?