Gertrude Chandler Warner

The Aldens are starring in The Wizard of Oz! But when a costume is sabotaged and threatening notes are left on the set, it's clear someone wants to stop the show.

At an old library, the Alden children discover a boy who needs their help and a stranger who is after a valuable object they found in the library.

From a high perch, Benny discovers a clue to a hidden room with contents that surprise everyone.

While visiting the seaport town of Ragged Cove, Massachusetts, the Alden children find the ship's log of the Flying Cloud, shipwrecked in 1869, supposedly during a mutiny.

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

While visiting their cousin's pineapple plantation in Hawaii, the Aldens hear a local legend about a black pearl with a curse on it and investigate mysterious incidents on and around the plantation.

The Aldens visit the shore in New Jersey and help out at an amusement pier that is rumored to be unsafe--

First published in 1924, "The Boxcar Children" is the beloved children's classic by American grade school teacher and author, Gertrude Chandler Warner. It is the story of four orphaned siblings, Henry, Jessie, Violet, and Benny, and their adventures living in an abandoned boxcar in the forest. The children are having fun while living in the boxcar at first, though several adults in the community are aware of their situation and are keeping an eye...

When Cousin Alice runs for mayor, the Aldens help out her campaign and investigate when one of her opponents uses sneaky tricks to win the race.

While helping fix up the old house their cousins have bought, the Aldens hear stories about its being haunted and find evidence suggesting that there may be a ghost there.