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

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

Mission Atomic (The 39 Clues: Doublecross Book 4)

The 39 Clues: Doublecross Book 1: Mission Titanic

Outbreak (The 39 Clues: Super Special, Book 1)

The 39 Clues: Unstoppable Book 4: Flashpoint

The 39 Clues: Unstoppable Book 3: Countdown

The 39 Clues: Unstoppable Book 2: Breakaway

39 Clues Unstoppable Series 2 - 4 Books Set Collection Pack (Nowhere To Run, Breakaway, Countdown, Flash Point ).

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

The 39 Clues Cahills vs. Vespers 1-6 Includes: The Medusa Plot by Gordan Korman / A King's Ransom by Jude Watson / The Dead of Night by Peter Lerangis / Shatterproof by Roland Smith / Trust No One by Linda Sue Park / Day of Doom by David Baldacci (The 39 Clues Cahills vs. Vespers)