Eighth-grader Tony Isidoro follows a trail of environmental clues to try and figure out what ecological imbalances might have caused the death of the town's best-known robin.
- ISBN10 0064404056
- ISBN13 9780064404051
- Publish Date 2 July 2019 (first published 29 October 1971)
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperCollins
- Format Paperback (US Trade)
- Pages 208
- Language English