Central Kansas Library System

While on a bicycle trip to their aunt's farm, the four Aldens help solve a mystery.

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.

Henry and Benny are suspects when a valuable vase disappears from the local department store where they are working for the summer.

"The Alden children are fixing up an old castle that will be turned into a museum, but they have to solve the mystery hidden within the castle's walls"--

Summer vacation on an almost private island gives the Aldens a challenge. Henry, Jessie, Violet and Benny used to live alone in a boxcar. Now they have a home with their grandfather and are spending the summer on their own private island. There is a mysterious stranger on the island with a secret--but that's not the only surprise in store for the Boxcar Children.

When they help out at a guide dog training school, the Alden children meet several people who seem obsessed with a particular dog named Ginger.

Benny wants adventure and finds it as he and the other Alden children help uncover the plan of those who would prevent ballooning from coming to Lloyd's Landing.

The Alden children investigate various mix-ups at a zoo run by their grandfather's friend in an effort to save it not only from pranksters but also from the town council.

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.

A family starts out on a one-day mountain climbing excursion that becomes very exciting. In fact, it becomes an adventure for the former "boxcar" family. They unearth some mysteries and have a fine time in the process.