Four orphaned siblings, determined to stay together as a family, decide to inhabit an abandoned boxcar and turn it into their new home in the woods. When one of the siblings falls ill, the others go out to seek a doctor to save their sister. Meanwhile, their wealthy grandfather has offered a sizable reward to anyone who has information about his grandchildren, hoping that they can all be reunited once more. As the children continue to evade being...

The Alden's neighbor, Lina, thinks there's treasure hidden in her attic and she wants the Boxcar Children to help her find it. Of course, the children are eager to help search—but it appears they aren't the only ones looking for the treasure.

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.

While visiting an old mansion, the Aldens investigate the possibility that it may be haunted.

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.

When Lord Cucuface, head of Madeline's school, takes a telescope from the attic during a surprise inspection, its ghostly owner convinces Madeline to help get it back, with help from neighbor Pepito and her fellow orphans.

When Alex is turned in by her foster sister for practicing Enchantment, which is illegal in the city of Luma, she flees only to discover that she is not safe outside the city either.