Penguin Random House Children's UK

Usually we give some clues about the book on the cover, but in this case we think that would spoil the reading of the book. We think it is important that you start to read without knowing what it is about. If you do start to read this book, you will go on a journey with a nine-year-old boy called Bruno.

The Wollstonecraft Detective Agency was supposed to be a secret constabulary, but after the success of their first case, all of London knows that Lady Ada and Mary are the girls to go to if you have a problem. Their new case is a puzzle indeed. A girl who is the spitting image of their new client. The two cases must be linked .

When Mary Godwin and Lady Ada Byron first meet, they don't exactly hit it off. But with crime on the rise, the unlikely pair form a detective agency to hunt down clever criminals on the streets of London. Their first case involves a stolen necklace, a false confession, and lots of suspicious suspects, but these are no match for Ada and Mary.