The Windy City Mystery (Boxcar Children Mystery & Activities Specials #10) (Boxcar Children Special)
by Gertrude Chandler Warner
Category: Juvenile Fiction

The Aldens are on their first trip to Chicago—the Windy City—and from Wrigley Field to the Sears Tower to Grant Park, there is so much to see. However, when they are given a series of clues in rhyme, they find themselves in the middle of two mysteries—to what are the clues leading and who is writing them?