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.
- ISBN10 0807510785
- ISBN13 9780807510780
- Publish Date 1 December 1993 (first published 1 January 1993)
- Publish Status Out of Print
- Out of Print 30 June 2021
- Publish Country US
- Imprint Albert Whitman & Company
- Format Hardcover
- Pages 128
- Language English