In London with their family, telepathic twelve-year-old twins Liberty and July receive strange emanations from an early residence of Arthur Conan Doyle and discover a literary ghost.
- ISBN13 9780152058784
- Publish Date 1 May 2008 (first published 15 November 1991)
- Publish Status Active
- Publish Country US
- Imprint Houghton Mifflin
- Format Paperback
- Pages 240
- Language English