Countdown (The 39 Clues: Unstoppable, Book 3)

The Submarine Job (The 39 Clues: The Cahill Files, Book 2)

Flashpoint (The 39 Clues: Unstoppable, Book 4)

Mission Titanic (The 39 Clues: Doublecross, Book 1)

The Houdini Escape (The 39 Clues: The Cahill Files, Book 4)

Mission Hindenburg (The 39 Clues: Doublecross, Book 2)

Nowhere to Run (The 39 Clues: Unstoppable, Book 1)

The Redcoat Chase (The 39 Clues: The Cahill Files, Book 3)

The Mission Hurricane (The 39 Clues: Doublecross, Book 3)

Mission Atomic (The 39 Clues: Doublecross, Book 4)

Trust No One (The 39 Clues: Cahills vs. Vespers, Book 5)

Silent Night (The 39 Clues: Cahill Files)

The Emperor's Code (The 39 Clues, Book 8)

The Sword Thief (The 39 Clues, Book 3)

Storm Warning (The 39 Clues, Book 9)

Outbreak (The 39 Clues: Superspecial)

Spymasters (The 39 Clues: The Cahill Files)

The Viper's Nest (The 39 Clues, Book 7)

In Too Deep (The 39 Clues, Book 6)

One False Note (The 39 Clues, Book 2)