Schoolhouse mystery : The Boxcar Children are spending the summer in a tiny, quiet New England fishing village, and the Alden's are teaching! Caboose mystery : When the Alden's spend the summer riding on a train, they get to live in a train car once again and this time, they're staying in caboose No. 777. Houseboat mystery : The Alden's are spending the summer traveling on a houseboat, but someone is watching them and wants something on the boat.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.