Mandie and the Secret Tunnel

In Mandie and the Secret Tunnel, set in the summer of 1900, Mandie, a resourceful teenage girl, explores her late uncle's grand mansion hoping to locate a missing will that could change her family's future. While searching the dusty halls, she discovers a hidden tunnel beneath the house, where she meets a group of strangers who insist they are her true relatives. Mandie must decide whether to trust these newcomers, unravel the mystery of the will, and confront the dangers that await in the secret passage.