The first book in the #1 bestselling phenomenon sends readers around the world on the hunt for the 39 Clues!

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 Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost....

Class 507 is terrible, and one day, after a particularly disastrous science experiment, Ms. Bryce quits and walks out in the middle of class, and the school office never finds out--at first all the fifth graders enjoy goofing off, but after a few days that starts getting boring, and the students begin to realize that school without a teacher is not easy, cooperating is difficult, and keeping a secret is harder than they thought.

When four twelve-year-olds, including Logan, who has grown up never leaving his parents' Life Is Sweet candy factory, compete in the Confectionary Association's annual contest, they unexpectedly become friends and uncover secrets about themselves during the process.

When eleven-year-old Sam gets into trouble and is forced to work for his reclusive neighbor Mr. Wells, he soon finds out that his mysterious new acquaintance hides many secrets of his own--including one that will change Sam's life forever.

Jax has learned that his Uncle Finn and Dulacs have been keeping secrets from him when he had stumbled upon a maze of magic tunnels and they may know where Addie, Evangeline's long-lost sister is.

Five new dragonets rise to the call of their destiny in the wake of a new prophecy that is overshadowed by old enemies, a centuries-buried evil, and a young NightWing's true prophecy.

Sunny Lewin is sent to live with her grandfather for the summer in Florida, where she befriends Buzz, a boy completely obsessed with comic books, and faces the secret behind why she is in Florida in the first place.

As one of the most feared students in Magisterium, Callum Hunt has been imprisoned and interrogated to reveal Constantine's plans and how Constantine lives on within him, information that Call doesn't know until he is broken out of prison.

Following the death of one of their classmates, Call, Tamara, and Aaron set out to find and stop the killer before he can use his magical powers to commit further evils.

"Aaron Peterson has never had it easy. As the son of a famed and eccentric theme park designer, his life has been one move after the next as his father chases new jobs in countries around the world. Aaron has watched rides and attractions of all kinds start with a blueprint on his father's desk, and end up a towering, larger-than-life creation to marvel park-goers. That is... until something really, really bad happened on his dad's latest job in Germany....