The 39 Clues

Firefly & Fern Summary

The 39 Clues is an action-packed mystery series that follows orphaned siblings as they race around the world to uncover hidden clues and solve an epic family puzzle. Filled with adventure, codes to crack, and unexpected twists, this book will captivate kids who love puzzles, travel, and stories where young characters must rely on their wits and teamwork to outsmart their competition.