With their parents facing life in prison, Aidan and Meg Falconer race against time to evade the authorities and an unknown attacker to prove their innocence.

Read how the Hardy boys use all their courage and skill to outwit criminals in their home town. The Missing Chums is one of the most baffling mysteries the young detectives have ever encountered.

When Max's parents leave the country without him, he must rely on his wits to get by, and before long he is running his own--rather unusual--business.

Loving life at the Wonderland Motel, where he enjoys the snack machines, the pool, and more, P.T. Wilkie teams up with his friend Gloria to save the motel from shutting down due to lack of business.

When Rebecca attends summer camp in the country because of the spreading polio epidemic in New York City, she is troubled by a bully in her tent and another fellow camper who is strangely secretive.

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.

Continuing their efforts in the ever-expanding treehouse, Andy and Terry tackle the mystery of their missing publisher, Mr. Bignose, whose disappearance has made completing their next book rather difficult.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 clues? What if you were given a choice - take a million dollars and walk away ... or get the first clue? If you're Amy and Dan Cahill, you take the clue - and begin a very dangerous race.

In 1893 New York, thirteen-year-old Maks, a newsboy, teams up with Willa, a homeless girl, to clear his older sister, Emma, from charges that she stole from the brand new Waldorf Hotel, where she works. Includes historical notes.