A million dollars, or a clue? Police report a break-in at an elite hotel, and the suspects sound suspiciously like Amy and Dan. There's a car and speedboat chase and an angry mob! When there's a clue on the line, anything can happen.

Targeted by Interpol after a series of spectacular heists, a reluctant Amy and Dan are ordered by Vesper One to steal the world's largest diamond, a demand that is challenged by their efforts to rescue the Cahill hostages and stop a Vesper mole.

When Kendra discovers that the key to a vault that holds one of the hidden artifacts is in the dragon sanctuary of Wyrmroost, the Knights of the Dawn prepare to enter the extremely dangerous sanctuary in order to get the key.

Orphans Amy and Dan Cahill, continuing their worldwide quest to track down the thirty-nine clues that will reveal the secret of the Cahill family's power, follow a link to one of the planet's strongest fighters, and have a run-in with the unreliable Alistair.

When Amy and Dan learn the truth about the Madrigals and Grace Cahill's alternate will, these discoveries lead to the revelation of a secret about their family and a showdown with the man in black who has been following them.

After years of moving from one orphanage to another following their parents' disappearance, Kate, Michael, and Emma learn that they have special powers, a prophesied quest to find a magical book, and a fearsome enemy.

When a mysterious stranger makes their father an offer to fix the clock at Blackford House, Lucy and Oliver Tinker join forces with the magical clock animals to defeat a vicious monster, who wants to take possession of the house.

Recounts the adventures of Mibs Beaumont, whose thirteenth birthday has revealed her "savvy"--a magical power unique to each member of her family--just as her father is injured in a terrible accident.

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...

Carter Kane and his sister must prevent the chaos snake Apophis from breaking free in a few days' time or the world will come to an end. To have any chance of battling these Forces of Chaos, the Kanes must revive the sun god Ra.