. . "Pine Barrens (N.J.)" . . "Teenage boy detectives Fiction." . . . "Juvenile works"@en . "Juvenile works" . . . . . . . . . . . . "The Hardy Boys are given clues which send them in search of the treasure hidden by the Outlaw of the Pine Barrens."@en . "The Hardy Boys are given clues which send them in search of the treasure hidden by the Outlaw of the Pine Barrens." . . . . . . . . "The outlaw's silver: the Hardy Boys mystery #67" . . . . "The Outlaw's Silver" . . . "Fiction"@en . "Fiction" . . . "The outlaw's silver" . "The outlaw's silver"@en . "Detective and mystery stories"@en . . . . "Mystery fiction, American." . .