"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!"

Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years.

"Hidden behind the wall of their guest room, a mysterious journal leads the Aldens on a search for a valuable collection"--

The New York Times–bestselling tale of four orphaned siblings who will do anything to stick together, featuring more than thirty original illustrations.
Henry, Jessie, Violet, and Benny Alden take care of one another. They have no parents, no other family—except for a grandfather they don't care to see—and no home . . . until the night they find the boxcar. Old, rusty, lonely, and abandoned in the woods, it's

...

The Boxcar Children are taking a vacation on an uninhabited South Seas island. They soon suspect someone else is there too, someone who may not want them around!

A family, snowbound in a vacation cabin, discovers adventure in surrounding wild life, three children they find in the snow, and a search for a lost recipe.

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

The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house.

The Aldens search for carousel horses that have disappeared from an amusement park.