Harvey finds himself embroiled in a mystery when a monkey appears at his bedroom window in the middle of the night.
- ISBN10 0671709275
- ISBN13 9780671709273
- Publish Date 1 February 1990 (first published 1 March 1987)
- Publish Status Active
- Publish Country US
- Imprint Minstrel
- Format Paperback (US Trade)
- Language English