Mandie and Celia visit Jonathan Guyer in New York. Mysterious people and strange conversations have the girls wondering what's really going on behind the closed doors of the Guyer mansion. Ages 8-13. Mandie book 28.
- ISBN10 0606189157
- ISBN13 9780606189156
- Publish Date 1 June 1997
- Publish Status Out of Print
- Out of Print 1 September 2015
- Publish Country US
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English