Thea Stilton : The Treasure Seekers - Compass Of The Stars (#2) - Hardbound

The Thea Sisters arrive in Moscow, Russia, and quickly find themselves tangled in a mystery! The evil Klawitz is trying to track down the second of the seven treasures discovered hundreds of years ago by an explorer, Aurora Lane. The mouselets follow Aurora's clues from Russia to Siberia, Egypt, and beyond! Can the sisters get to the treasure before Klawitz does?