In Thea Stilton and the Dragon’s Code, the Thea Sisters are back for an exciting adventure at Mouseford Academy!

When a valuable and ancient book called "The Dragon’s Code" is stolen during a special event on campus, the sisters are determined to crack the case. With their friend Will Mystery leading the way, they dive into a world of secret codes, ancient legends, and cryptic clues hidden around the academy. But as they get closer to solving the mystery, they uncover something much bigger than they expected—a plot that could change Mouseford Academy forever!

Can the sisters work together to reveal the truth and save their beloved school in time?

Packed with puzzles, friendship, and thrilling surprises, this adventure will keep readers on the edge of their seats!