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Summary

The Boxcar Children are going on vacation to Dragon's Mouth Cavern. The four Aldens like rock hunting in the area, until Benny finds a sinkhole that leads to the underground caves. While exploring the caves, they realize that someone doesn't want them there. But why? Can the Boxcar Children solve this new underground mystery?

Duration: about 2 hours (02:02:20)
Publishing date: 2014-12-30; Unabridged; Copyright Year: — Copyright Statment: —

• Young Readers