The card had no address – just one special clue:
a small golden crown. Claris knew what to do!

Claris and her best friend, Monsieur, are in London, looking for an exclusive club!
But what will they discover once they start following the clues?

The sixth book in the world of Claris: The Chicest Mouse in Paris, the best-selling picture book series from acclaimed fashion illustrator Megan Hess.