Title: The Mystery on the Train
Description: The Boxcar children uncover a mystery on a train trip from Boston to San Francisco.
Subjects: Brothers and sisters, Trains, Orphans, Mystery and detective stories, Railroads, Fiction, Railroad trains, Children's fiction, Boxcar children (fictitious characters), fiction, Orphans, fiction, series:BoxcarChildren, collectionID:Boxcar3, Siblings, fiction, Railroads, fiction