# Mystery Train

> Nancy Drew and Hardy Boys Supermystery crossover novel published in 1990

**Wikidata**: [Q6948874](https://www.wikidata.org/wiki/Q6948874)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mystery_Train_(novel))  
**Source**: https://4ort.xyz/entity/mystery-train-q6948874