When various objects begin to disappear from the anthropologists' camp, two young boys decide to trap the thief.
- ISBN10 0030169313
- ISBN13 9780030169311
- Publish Date 1 January 1977
- Publish Status Out of Print
- Out of Print 4 May 2011
- Publish Country US
- Imprint Holt McDougal
- Format Hardcover
- Pages 63
- Language English