Albert Whitman Company imprint: 428 books

The Alden's investigation involves antique wooden horses on a merry-go-round near Cousin Joe's.

Someone is trying to keep Max Greene from inheriting his great aunt's estate.

A zookeeper at the Aldens’ local zoo is stealing the animals! How can the children stop a thief who has keys to all the cages?

The Aldens don’t believe the rumors that their cousin’s new house is haunted, but they can’t explain the mysterious singing they hear. Could there really be a ghost?

The Aldens spend their vacation in Elmford and get jobs at the old general store! But the girl they work with won’t answer any questions about herself. What is she hiding?

The Alden children's party planning business hits a snag when two houses are robbed—during the parties.

The Boxcar Children try to find out who's responsible for causing some trouble at Edward Marlow's zoo.

The Aldens meet Mr. Hudson, a local author who is best known for his novel about a vampire. But rumors of a real vampire are going around town - a vampire who haunts the graveyard behind Mr. Hudson's house! But since vampires don't exist, the children soon realize that someone must be trying to scare people away from Greenfield! Who brought the old legend back to life - and why?

The Aldens visit the Outer Banks on the North Carolina coast! But when a pony goes missing from the wild horse sanctuary, they must find him before a big storm hits.

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.

Grandfather's new land in the Rockies comes complete with an abandoned town and old silver mine. There is even a ghost floating through the streets!

The Aldens search for a lost cat in Greenfield. But when a mysterious phone call reveals the cat was stolen, it’s up to them to find the catnapper as well!

This fall-flavored adventure for the Boxcar Children takes the Aldens to a New England farm that has more than its share of strange occurrences. Every year at the Beckett farm, visitors come to buy pumpkins and go on hayrides, but this year something is haunting the old place—a mysterious specter...

The Alden children take a trip back in time when their Aunt Jane surprises them with a visit to Wagner Farmhouse. When strange things happen at the house, the Aldens wonder if the ghost of practical joker Horace Wagner really haunts the house.