After his grandfather dies, Andrew Hope inherits a house and surrounding land in an English village, but things become very complicated when young orphan Aidan shows up and suddenly a host of variously magical townsfolk and interlopers start intruding on their lives.

When the Aldens visit Peggy and Doc Firmin's farm, they're in for a treat: a behind-the-scenes look at a real teddy bear workshop! But a very rare and valuable bear has disappeared from the toy hospital. Now it's up to the children to track down the teddy thief!

When the Aldens have the chance to work at a candy factory, they try to find out who is sabotaging the candy and why.

The Aldens are spending a week at Camp Seagull on beautiful Claw Island. But as soon as camp begins, they realize that someone is not playing fair. Everything begins to go wrong for the Aldens they lose their luggage, Henry misplaces the camp flag, and the campers on the other team use one of Jessies ideas to score points for themselves. Are some campers so desperate to win the Olympics that they are willing to cheat? The Boxcar Children are...

Trapped inside the sinister estate where the past and present intertwine, Poppy, Marcus, Dash, Dylan, and Azumi gradually discover that the secrets they each hold are more sinister than the house's ghosts.

Amy and Dan cross the oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the truths they discover more crushing than ever.

Renting a lighthouse is unusual, but even more so is an unfriendly boy's peculiar behavior.

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

The Aldens help out at a medieval fair and try to find a valuable sword which has been stolen from the fair.

In 1891, twelve-year-old Lev Lvov travels to Saint Petersburg, Russia, to assume his duties as Prince, but must first use his special gift to rid the House of Lions of a ghost.