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“We wrote our names on the first page, but the ink vanished, leaving only a faint echo. Then we realized the book could only be filled when we gave it a story of our own.”

Mira, following his lead, listened intently. A different echo reached her ears: “When the world forgets the letters, we write them anew in the heart of the storm.” It was her father’s voice, a man who loved riddles as much as he loved his children.

Mira turned the page, and a hidden compartment opened, revealing a small, brass key shaped like a feather—identical to the one Mr. Grimm had given them.