About this book
The Alden children have another mystery to solve when they visit a castle and must figure out which of the guests has stolen the Stradivarius violin.
Subjects
Juvenile fictionFictionOrphansCastlesBrothers and sistersBoxcar children (Fictitious characters)FamilyMystery and detective storiesDetective and mystery storiesFamiliesChildren's fictionBrothers and sisters, fictionCastles, fictionBoxcar children (fictitious characters), fictionOrphans, fictionseries:BoxcarChildrencollectionID:Boxcar2Family, fictionSiblings, fiction