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By the Author
![Secret Agents Jack and Max Stalwart: Book 4: The Race for Gold Rush Treasure: California, USA](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2019/03/9781602865792.jpg?w=190)
Secret Agents Jack and Max Stalwart: Book 4: The Race for Gold Rush Treasure: California, USA
![Secret Agents Jack and Max Stalwart: Book 3: The Fate of the Irish Treasure: Ireland](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2019/03/9781602865785.jpg?w=190)
Secret Agents Jack and Max Stalwart: Book 3: The Fate of the Irish Treasure: Ireland
![Secret Agents Jack and Max Stalwart: Book 2: The Adventure in the Amazon: Brazil](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2022/12/9781602863613.jpg?w=185)
Secret Agents Jack and Max Stalwart: Book 2: The Adventure in the Amazon: Brazil
![Secret Agents Jack and Max Stalwart: Book 1: The Battle for the Emerald Buddha: Thailand](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2022/12/9781602863590.jpg?w=185)
Secret Agents Jack and Max Stalwart: Book 1: The Battle for the Emerald Buddha: Thailand
![Secret Agent Jack Stalwart: Book 14: The Mission to Find Max: Egypt](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602861527.jpg?w=190)
Secret Agent Jack Stalwart: Book 14: The Mission to Find Max: Egypt
![Secret Agent Jack Stalwart: Book 13: The Hunt for the Yeti Skull: Nepal](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602861510.jpg?w=190)
Secret Agent Jack Stalwart: Book 13: The Hunt for the Yeti Skull: Nepal
![Secret Agent Jack Stalwart: Book 12: The Fight for the Frozen Land: The Arctic](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860995.jpg?w=184)
Secret Agent Jack Stalwart: Book 12: The Fight for the Frozen Land: The Arctic
![Secret Agent Jack Stalwart: Book 11: The Theft of the Samurai Sword: Japan](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860988.jpg?w=184)
Secret Agent Jack Stalwart: Book 11: The Theft of the Samurai Sword: Japan
![Secret Agent Jack Stalwart: Book 10: The Quest for Aztec Gold: Mexico](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860797.jpg?w=190)
Secret Agent Jack Stalwart: Book 10: The Quest for Aztec Gold: Mexico
![Secret Agent Jack Stalwart: Book 9: The Deadly Race to Space: Russia](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860780.jpg?w=190)
Secret Agent Jack Stalwart: Book 9: The Deadly Race to Space: Russia
![Secret Agent Jack Stalwart: Book 8: Peril at the Grand Prix: Italy](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860193.jpg?w=185)
Secret Agent Jack Stalwart: Book 8: Peril at the Grand Prix: Italy
![Secret Agent Jack Stalwart: Book 7: The Puzzle of the Missing Panda: China](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860209.jpg?w=190)
Secret Agent Jack Stalwart: Book 7: The Puzzle of the Missing Panda: China
![Secret Agent Jack Stalwart: Book 6: The Pursuit of the Ivory Poachers: Kenya](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860216.jpg?w=190)
Secret Agent Jack Stalwart: Book 6: The Pursuit of the Ivory Poachers: Kenya
![Secret Agent Jack Stalwart: Book 5: The Secret of the Sacred Temple: Cambodia](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860032.jpg?w=190)
Secret Agent Jack Stalwart: Book 5: The Secret of the Sacred Temple: Cambodia
![Secret Agent Jack Stalwart: Book 4: The Caper of the Crown Jewels: England](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860131.jpg?w=190)
Secret Agent Jack Stalwart: Book 4: The Caper of the Crown Jewels: England
![Secret Agent Jack Stalwart: Book 3: The Mystery of the Mona Lisa: France](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860018.jpg?w=190)
Secret Agent Jack Stalwart: Book 3: The Mystery of the Mona Lisa: France
![Secret Agent Jack Stalwart: Book 1: The Escape of the Deadly Dinosaur: USA](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860049.jpg?w=190)
Secret Agent Jack Stalwart: Book 1: The Escape of the Deadly Dinosaur: USA
![Secret Agent Jack Stalwart: Book 2: The Search for the Sunken Treasure: Australia](https://prod-grasset-dev.hachettebookgroup.com/wp-content/uploads/2017/06/9781602860025.jpg?w=190)
Secret Agent Jack Stalwart: Book 2: The Search for the Sunken Treasure: Australia