- ISBN: 9781453213445 (electronic bk.)
- ISBN: 1453213449 (electronic bk.)
- Physical Description: 1 online resource.
- Publisher: [United States] : Albert Whitman & Company : 2011.
|Restrictions on Access Note:|| Digital content provided by hoopla.
|Summary, etc.:|| The Boxcar children need to find the person that is trying to make them leave the caves around the Dragon's Mouth Cavern.
|Target Audience Note:|| 600 Lexile.
|System Details Note:|| Mode of access: World Wide Web.
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|Subject:||Caves > Fiction.
Brothers and sisters > Fiction.
|Genre:||Detective and mystery fiction.
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