When seemingly unrelated and strange events start to happen and a precious Vermeer painting disappears, eleven-year-olds Petra and Calder combine their talents to solve an international art scandal.

Princess Solveig and her siblings are trapped in a hidden fortress tucked between towering mountains and a frozen fjord, along with her best friend and an army of restless soldiers, all awaiting news of the king's victory in battle, but as they wait for winter's end and the all-encompassing ice to break, acts of treachery make it clear that a traitor lurks in their midst.

Ted Hammond, the only sixth grader in his small Nebraska town's one-room schoolhouse, searches for clues to the disappearance of a homeless family.

Zoe discovers that her house is occupied by the ghost of an eleven-year-old girl, who carries her back to the day of her death in 1870 to try to alter that tragic event.

A seance begun as a game when a young girl insists that she can communicate with the dead ends in murder when the lights suddenly go out and one of the participants suddenly vanishes.

An African American family tries to unravel the secrets of their new home in Ohio which was once an important station on the Underground Railroad.

After a sailing ship breaks up on the rocks off Washington's storm-tossed Cape Flattery, Nathan McAllister, the fourteen-year-old son of the lighthouse keeper, refuses to believe the authorities, who say there were no survivors. Unexplained footprints on a desolate beach, a theft at the trading post, and glimpses of a wild "hairy man" convince Nathan that someone is hiding in the remote sea caves along the coast. With his new friend, Lighthouse George,...