What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

Amy and Dan find themselves in a new global race but this time, everything’s different. Those closest to them might be working for the enemy, and Amy and Dan are forced to ask themselves how far they’re willing to go to save the kidnapped Cahills. How much can you risk when there’s no one to trust?

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers.

At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

"Are you in a bad mood or something?" asked Rocky. "Or something," said Judy Moody. Bad moods, good moods, even back-to-school moods - Judy Moody has them all! When her teacher assigns the class the task of creating "Me" collages, it puts Judy in a cut-and-paste mood! Meet Judy Moody, her little "bother" Stink, her best friend Rocky, and her "pest" friend Frank Pearl. They're guaranteed to put you in a very Judy Moody mood... or something.