Thea Stilton And The Mystery in Paris is the fifth book In the Thea Stilton Series. In this book the Thea Sisters go to Paris, France!
When Colette invites her friends to come home with her to Paris for spring break, the five mice are delighted. While they're in France, they'll even get to attend Colette's fashion-designer friend Julie's runway show at the Eiffel Tower! But soon after the Thea Sisters arrive, Julie's designs are stolen. Will the five mice be able to catch the thief in time to save the fashion show?