Thea Stilton and the Secret of the Old Castle

Preview: A mysterious old castle holds secrets that the Thea Sisters must unravel. With hidden clues, unexpected twists, and thrilling adventures, the sisters prove that courage and teamwork can solve any mystery.

Perfect for readers, who:
• Love light-hearted mysteries with adventurous settings
• Enjoy teamwork-based stories with strong female leads
• Want illustrated books with a mix of culture and adventure

Why You'll Love It:
✅ Combines castles, clues, and suspense
✅ Strong themes of friendship and problem-solving
✅ Easy, engaging read for young mystery lovers

Also consider the below aspects before you select:
❌ Mystery is straightforward, not highly complex
❌ Simplified characters compared to older readers’ mysteries

Verdict: A fun, suspenseful adventure ideal for readers who love castles and clues.