39 clues to unscramble. One fabulous prize to win. It's a riddle, a book and a game to play. Are YOU up to the challenge? Written by celebrated author Rick Riordan, this interactive challenge takes books to a place they've never been before.

The graphic novel adaptation of the mega-bestseller that launched a global phenomenon! Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Marie Curie to Harry Houdini is related to the Cahills, yet the source of the family power is lost. 39 Clues hidden around the world will reveal the family's secret, but no one has been able to assemble them. Now the clues race is on, and young Amy and Dan must decide what's important: hunting clues or uncovering what REALLY happened to their parents.

The Cahills are the most powerful family the world has ever known. However, the family is fractured, and the source of its power has been lost. The story begins with the death of matriarch Grace Cahill. In her will she leaves her heirs a choice: they can either receive a million dollars or a clue. The first Cahill to assemble all 39 clues hidden around the world will discover what makes the family so powerful - a reward beyond measure. It's Cahill versus Cahill in a race to the finish, with readers hot on the heels of the main characters, fourteen-year-old Amy Cahill and her eleven-year-old brother, Dan. The story spans 10 adrenaline-charged books, 350 game cards, and an online world allowing readers to play a part in the story and compete for more than $25,000 in prizes.

Read the first books that launched the adenctuire of a lifretime! This Starter Set includes The 39 Clues Book One: The Maze of Bones by Rick Riordan, The 39 Clues Book Two: One False Note by Gordon Kormon, and Card Pack #1. For those who missed the adventure the first time around, this is hust what you need to be introduced to the Cahills. The hunt is on. Join them!A special value box set--perfect for gift giving!

The highly-anticipated Book 2 of the #1 bestselling The 39 Clues series. THIS JUST IN! Amy and Dan Cahill were spotted on a train, hot on the trail of one of 39 Clues hidden around the world. BUT WAIT! Police report a break-in at an elite hotel, and the suspects ALSO sound suspiciously like Amy and Dan. UPDATE! Amy and Dan have been seen in a car . . . no, in a speedboat chase . . . and HOLD EVERYTHING! They're being chased by an angry mob?!? When there's a Clue on the line, anything can happen.

Available just in time for Christmas-the first three thrilling books and card pack in a fabulous slipcase! Case contains Maze of Bones, One False Note, The Sword Thief, and the first card pack.