"Europe" . . . . "Juvenile works" . . . . . . . . "In 1873 seventeen-year-old Vesper Holly and her guardians travel to an obscure European grand duchy, where their archenemy Dr. Helvitius is pursuing a lost art treasure and engineering the country's annexation by a neighboring kingdom. When Vesper is invited to Drackenberg's Golden Jubilee, she and her guardians find themselves involved in an attempted overthrow of the government, the disappearance of a priceless painting, and a kidnapping by evil Dr. Helvitius."@en . . "Adventure fiction" . . . . "Fiction" . . "In 1873 seventeen-year-old Vesper Holly and her guardians travel to an obscure European grand duchy, where their archenemy Dr. Helvitius is pursuing a lost art treasure and engineering the country's annexation by a neighboring kingdom." . "In 1873 seventeen-year-old Vesper Holly and her guardians travel to an obscure European grand duchy, where their archenemy Dr. Helvitius is pursuing a lost art treasure and engineering the country's annexation by a neighboring kingdom."@en . "The Drackenberg adventure" . "The Drackenberg adventure"@en . . . . . .