A King's Ransom (The 39 Clues

Firefly & Fern Summary

In this thrilling installment of The 39 Clues series, young adventurers must navigate a dangerous game of wits involving ciphers, maps, and high-stakes ransom to save a kidnapped family member. Packed with mystery and action, this book challenges readers to solve puzzles alongside the characters while keeping them on the edge of their seats with suspenseful twists and turns.