Nancy Drew and the Hardy brothers run into danger when they try to prevent the sabotage of an anti-pollution campaign. The reader controls the outcome of the story by choosing different ways of advancing the plot.
- ISBN10 067149922X
- ISBN13 9780671499228
- Publish Date 15 May 1984
- Publish Status Active
- Publish Country US
- Imprint Aladdin Paperbacks
- Format Paperback (US Trade)
- Pages 116
- Language English