The Hidden Staircase

A friend of Nancy Drew's hopes to use her sleuthing skills to solve what seems to be a strange haunting at her aunt's house! Hearing strange creaking, eerie thumps, and even music, the secretive mansion seems to be hiding something sinister. At the same time, Nancy's father is warned of a dangerous situation - he must find a missing man to save the railroad. Nancy must find a way to help both her friend and her father, and hopefully a few more along the way!