The Thea sisters and the secret treasure hunt (Thea Stilton graphic novel 8.)
by Stilton, Thea (Author), Savino, Francesco, 1986- (Author)
Series
Summary
When Thea Stilton's students at Mouseford Academy are assigned to write about the school, they happen upon clues left by past students that point toward a treasure. If they want to actually find it, though, they'll all need to work together. Full description