The Hardy boys set out to investigate strange happenings at the Blackwing Mansion, which appears to be haunted, and in the process help their father uncover a ring of thieves.
- ISBN10 0006921833
- ISBN13 9780006921837
- Publish Date 13 March 1986 (first published 1 January 1984)
- Publish Status Out of Print
- Out of Print 16 August 1991
- Publish Country GB
- Imprint HarperCollins Distribution Services
- Edition New edition
- Format Paperback
- Pages 208
- Language English