Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair Oh. Could they have been foolish

A Clue found in Book 3 sends Amy and Dan jetting off to find out just what's behind the fierce rivalry between the Tomas and Ekaterina branches o

When seven members of their family were kidnapped by a sinister organization known as the Vespers, thirteen-year-old Dan Cahill and his older sis

Fourteen-year-old Amy Cahill and her younger brother, Dan, thought they could return to their regular lives when they found the 39 Clues that saf

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But ar

When Andi's brother Bruce wants to enter a dog-themed film-making contest, Andi jumps at the opportunity to become a screenwriter. But neither of

Aiden works with the FBI in order to rescue his sister Meg, who was kidnapped.

After being forced to leave their beloved dachshund in New Mexico when their family moves temporarily to Elmwood, New Jersey, Andi and Bruce resc

Amy and Dan hit the high seas as they follow the trail of some infamous ancestors to track down a long lost treasure. However, the real prize isn

On their fifth trip through the magic mirror, siblings Abby and Jonah find themselves in the story of Rapunzel--and they set out to free her from

Once again Abby and her brother Jonah go through the magic mirror in their basement, and this time they find themselves interfering in the Little

Abby, her brother Jonah, and her friend Robin get sucked into the magic mirror and end up in the story of Sleeping Beauty, but when Robin pricks