"On a farm, the Aldens find their oldest mystery yet! Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows ch

Someone is trying to put Aunt Jane's motel out of business, but the Alden children aren't going to let that happen.

A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.

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

During a trip to Oregon, the Aldens are astonished when Watch discovers a backpack filled with valuables, a finding that compels them to learn wh

Henry, Jessie, Violet, and Benny Alden are on another summer trip to visit Aunt Jane at Mystery Ranch. They're thrilled to find their friend Mike

"The Alden children help solve a case surrounding missing vegetables and vandalism in the community garden"--

The orphaned Alden siblings travel to Egypt to return a lost artifact to its rightful location.

The Aldens set out to prove the innocence of their old friend Mike, who has been accused of starting a fire.

The entire town of Yellow Sands is left puzzled by a mysterious fire.

When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who

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