The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black

While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

Jack doesn't care when someone steals an old boot, but when someone steals his squeaker bone and his blanket, he does care.

While visiting their cousin Salim in New York City, Ted and Kat investigate the theft of a famous painting from the Guggenheim Museum for which S

Harris and Roxy try to help Zeke the alien over his confusion about Valentine's Day, and to figure out who sent him an anonymous candy-gram.

While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone

In trying to trace a missing will, detectives Frank and Joe Hardy trap a dangerous criminal who is willing to risk all--including murder--for mon

When the Hardy boys eagerly agree to assist their friend Jack Dodd and his father in locating a family treasure, the two young detectives are una

When thieves hijack a collection of stuffed animals from a county auction, Frank and Joe Hardy pursue the getaway care and are drawn into a thril

Their SOS ignored in a storm, the Hardy boys find a wallet containing two thousand dollars alongside their boat and are launched into a mystery i

When the largest, most complete fossil of a Tyrannosaurus Rex is discovered in Absaroka County, it would appear to have nothing to do with Walt.

When Ted and Kat's cousin Salim disappears from the London Eye ferris wheel, the two siblings must work together--Ted with his brain that is "wir