. . "JUVENILE FICTION / Mysteries & Detective Stories" . . "JUVENILE FICTION Mysteries & Detective Stories." . "JUVENILE NONFICTION / General" . . . "The Boxcar children must track down an instrument thief in time to save Greenfield's music festival from disaster." . . . . . "The Aldens are helping Greenfield's most popular band get ready for a music festival. A big-time music producer will be there to watch the show, and everyone in Greenfield is hoping the band will be famous soon. The day before the festival, the band's instruments are stolen! Can the Aldens find the instruments-and the thief-before the big show'"@en . . . . . . . . . . "Rock 'n' Roll Mystery"@en . "Juvenile works" . . . "The rock 'n' roll mystery" . "The rock 'n' roll mystery"@en . "The Rock ''n'' Roll Mystery" . . . . "Electronic books" . "Electronic books"@en . . . "The Rock 'n' Roll Mystery"@en . . . . . . . . "Mystery fiction, Juvenile" . "Rock and roll mystery" . . "Fiction" . . "Warner, Gertrude Chandler." . .