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
- ISBN10 0141304715
- ISBN13 9780141304717
- Publish Date 23 July 2001 (first published 1 January 1988)
- Publish Status Active
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint Puffin
- Format Paperback (US Trade)
- Pages 152
- Language English