"When the Alden children see odd lights coming from a closed amusement park and they receive a phone call warning them to stay away, they are determined to figure out what is going on at the park"--Title verso page.

The Boxcar Children are spending the summer in an enormous New England farmhouse. There's an old woodshed near the house that holds a surprising secret--a secret that dates from the Revolutionary War. Suddenly their summer becomes an adventure.