Kaz, Dante, Adriana, and Star aren't the best divers in the world. But they've been chosen to spend the summer exploring the depths of the sea. But there are problems, including sharks and the people running the program, who are covering up something big.

Amy and her brother Dan are shocked to find themselves in the lead for the search for the 39 clues that safeguard a great power. Tailed by a pack of power-hungry relatives, they race to Vienna with a coded piece of Mozart's sheet music that is a key to finding the next clue.

After a hurricane rips through their hometown, a group of children discover a mysterious trap door in the middle of the woods.

Four children take the biggest risks of their lives when trying to raise a ship's treasure from the sea.

Jackson Opus and his family have been forced into hiding because his identity as a powerful young hypnotist has been leaked out--but his enemy Dr. Mako is still out to find him to use his mesmerizing skills for evil purposes.

When four kids compete to reach the top of Everest, the unexpected happens, and the climbing contest becomes a life-or-death rescue mission.

A secret killer is on board, and only four kids know who he is. They have found themselves tangled in a maze of mysteries. Then the iceberg appears, and the voyage becomes more dangerous.

FINAL HOURS

Tick tock. Fifteen-year-old Amy Cahill has only a few days to live. There's a poison coursing through her, and her only chance is to collect ingredients for an antidote. Too bad the antidote's ingredients are scattered around the world. And too bad that survival is by far Amy's smallest problem.The antidote she needs is also the only thing capable of stopping a deadly enemy. J. Rutherford Pierce is on the brink of becoming the most...

Where is Meg Falconer? Neither the FBI, her brother, her parents, nor even her kidnappers know.

Meg gets kidnapped as she walks home with her brother Aiden. What is Aiden going to do? As Meg tries to escape, Aiden teams up with the FBI to help find her.