While in California appearing in a television show, the Bobbsey twins stumble upon a mystery involving a key, a missing dog, and some photographs.
- ISBN10 0448080710
- ISBN13 9780448080710
- Publish Date 1 January 1978
- Publish Status Active
- Publish Country US
- Imprint Grosset & Dunlap
- Format Hardcover
- Pages 179
- Language English