In Thea Stilton and the Mystery on the Orient Express, the Thea Sisters embark on a glamorous journey aboard the legendary train, the Orient Express!

When they are invited to accompany Thea Stilton on a special journey from Paris to Istanbul, they expect a relaxing trip filled with beautiful scenery and delicious meals. But soon, a valuable family heirloom goes missing from one of the passengers, and the sisters find themselves wrapped up in a thrilling mystery. As they follow clues across Europe and meet intriguing characters on board, the sisters must use their wits to uncover the thief before the train reaches its final destination.

With twists, turns, and a race against time, will the Thea Sisters solve the mystery and recover the stolen treasure?

This exciting adventure is packed with friendship, suspense, and breathtaking discoveries!