Gertrude Chandler Warner

After the Boxcar Children move in with their grandfather, they spend the summer having adventures on a private island.

The Aldens' friend Max says nothing interesting happens in Port Elizabeth. But when the children visit the small fishing village and come across a man snooping around the local library, they prove that every town has its mysteries.

Four orphaned siblings take refuge in an abandoned boxcar that becomes their home, as they hide from their "villainous" grandfather.

The Boxcar Children are spending the summer in an enormous New England farmhouse. Near the house there is an old woodshed that holds a surprising secret that dates from the Revolutionary War.

The Alden children save an old woman's house, land, and all the animals in her animal shelter from greedy contractors.

"Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. At a lighthouse, the children find a mystery in the night!"

The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.

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.

When the Alden siblings go camping on Padre Island, they help save a rare type of sea turtle from a mysterious sabotager.

After a series of strange events, the Alden children must solve a mystery to help their friend Mike and his family.