Thea Stilton and the secret of the old castle /
Geronimo Stilton
- This edition first published in 2009
- New York : Scholastic, 2009
- 159 pages : color illustrations ; 20 cm
R
"When the Thea Sisters' friend Bridget returns to Scotland for a family emergency, the five mice offer to help. And when Bridget goes missing, they have to rush to Scotland to find her! Along the way, the Thea Sisters encounter Celtic legends, cryptic messages, and hidden treasures on a trip that's full of surprises!" -- p. [4] of cover.