This set includes all 4 paperback books in the Boxcar Children Interactive Mysteries series. Now readers can help the Boxcar Children solve the mystery! In each interactive, choose-your-path book, readers will put their sleuthing skills to the test, making decisions that will help the Aldens crack the case or lead them on exciting new adventures. Includes: Midnight at the Haunted Hotel; The Great Spy Showdown; Trouble on the Wild West Express; Race through White-Water Canyon