Title: Secret Cargo
Description: 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.
Subjects: Plot-your-own stories, Mystery and detective stories, series:HardyBoys, series:NancyDrew, collectionID:HBND1, Drew, nancy (fictitious character), fiction, Hardy boys (fictitious characters), fiction, Children's fiction