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

C. Alexander London

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

Sarwat Chadda

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

Jenny Goebel

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

C. Alexander London

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

Jude Watson

Flashpoint (The 39 Clues: Unstoppable, #4)

Gordon Korman

Countdown (The 39 Clues: Unstoppable, #3)

Natalie Standiford

Breakaway (The 39 Clues: Unstoppable, #2)

Jeff Hirsch

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

Jude Watson

Silent Night (The 39 Clues: The Cahill Files, #5)

Clifford Riley

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

Clifford Riley

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

Clifford Riley

Spymasters (The 39 Clues: The Cahill Files, #2-4)

Clifford Riley

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

Clifford Riley

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

David Baldacci

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

Linda Sue Park

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

Roland Smith

The Dead of Night (The 39 Clues: Cahills vs. Vespers, #3)

Peter Lerangis

A King's Ransom (The 39 Clues: Cahills vs. Vespers, #2)

Jude Watson

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

Gordon Korman

Fireworks (The 39 Clues: Rapid Fire, #7)

Clifford Riley

Invasion (The 39 Clues: Rapid Fire, #6)

Clifford Riley

Turbulence (The 39 Clues: Rapid Fire, #5)

Clifford Riley

Crushed (The 39 Clues: Rapid Fire, #4)

Clifford Riley

Hunted (The 39 Clues: Rapid Fire, #3)

Clifford Riley

Ignition (The 39 Clues: Rapid Fire, #2)

Clifford Riley

Legacy (The 39 Clues: Rapid Fire, #1)

Clifford Riley

Vespers Rising (The 39 Clues, #11)

Rick Riordan

Into the Gauntlet (The 39 Clues, #10)

Margaret Peterson Haddix

The 39 Clues: Agent Handbook

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