Into the Gauntlet (The 39 Clues, Book 10)

Vespers Rising (The 39 Clues, Book 11)

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

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

Breakaway (The 39 Clues: Unstoppable, Book 2)

Flashpoint (The 39 Clues: Unstoppable, Book 4)

The Medusa Plot (The 39 Clues: Cahills vs. Vespers, Book 1)

The Maze of Bones (The 39 Clues, Book 1)

Storm Warning (The 39 Clues, Book 9)

Day of Doom (The 39 Clues: Cahills vs. Vespers, Book 6)

Countdown (The 39 Clues: Unstoppable, Book 3)

Operation Trinity (The 39 Clues: The Cahill Files, Book 1)

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

One False Note (The 39 Clues, Book 2)

Shatterproof (The 39 Clues: Cahills vs. Vespers, Book 4)

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

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

In Too Deep (The 39 Clues, Book 6)

Outbreak (The 39 Clues: Superspecial)