Secret Santa: The Mystery of the Stereoscope

When Sam, almost 12, and his sister, Abby, 7, receive an antique stereoscope with a puzzling note and mysterious 3D photographs, they begin a quest to discover the identity of a man dressed as Santa in the pictures. They accidentally find themselves trapped in 1893, where they are befriended by trend-setting reporter and world traveler Nellie Bly; visit the grounds of the Chicago World's Fair; and meet mad scientist Nikola Tesla, all in an effort to return to the present. In the process, th...