Mr. Pin, the rockhopper penguin who has traveled from the South Pole to be a detective in Chicago, investigates two cases involving chocolate. Sequel to The Mysterious Cases of Mr. Pin..
- ISBN10 0595473180
- ISBN13 9780595473182
- Publish Date 11 October 2007 (first published 30 September 1990)
- Publish Status Unknown
- Imprint iUniverse
- Format Paperback (US Trade)
- Language English