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The 39 Clues

Author: Various
Illustrator: Various
Website: The 39 Clues

Age Group: 10 to 12
Lexile Range: 550L to 700L

About the series: It's time you know the truth. You are a member of the Cahill family, the most powerful family the world has ever know. 39 clues hidden across the globe guard the source of the Cahill family's secret power, and it's up to you to find them. Read the books. Collect the cards. Play the game. Win the prizes.

The original storyline was intended to span 10 books, but due to the success of the series, an 11th "transition" book, Vespers Rising was published. The 12th book, The Medusa Plot, starts a new 6 book storyline subtitled "Cahills vs. Vespers".

Maze of Bones	One False Note	The Sword Thief
Beyond the Grave	The Black Circle	In Too Deep
The Viper's Nest	The Emperor's Code	Storm Warning
Into the Gauntlet	Vespers Rising	The Medusa Plot
A King's Ransom	The Dead of Night	Shatterproof
Trust No One	Day of Doom	The Cahill Files: Operation Trinity
The Cahill Files: Spymasters	Unstoppable: Nowhere To Run	Unstoppable: Breakaway
Unstoppable: Countdown	Flashpoint	Mission Titanic
Mission Hindenburg	Mission Hurricane	Mission Atomic
Card Pack Volume 1	Card Pack Volume 2

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Page Author: Lance Wright. Site Publisher: First Clues — The Omnimystery Family of Mystery Websites.