Abby and her friend Potsie work on several mysteries: a mysterious new neighbor, a missing person, a theft, and the unusual actions of Abby's brother.
- ISBN10 0440434505
- ISBN13 9780440434504
- Publish Date 15 April 1982
- Publish Status Out of Print
- Out of Print 19 May 2017
- Publish Country US
- Imprint Bantam Doubleday Dell Publishing Group
- Format Paperback
- Pages 134
- Language English