One warm night four children stood in front of a bakery. No one knew them. No one knew where they had come from.A super-special mystery for the Boxcar Children!Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they are visiting Alaska!Back in the days of gold fever, one of the Aldens' ancestors was part of the Four Rock Miners, a group that met annually in Skagway, Alaska. Now the Aldens are keeping the tradition alive by attending a reunion with the descendants of the other miners. But when the raven statue and scrapbook that have belonged to the group for more than a century go missing, it looks like the Aldens have stumbled onto another case!