"When Kate's former schoolteacher becomes a curator at a small science museum, she is invited to help out. But an accidental spilled drink leads Kate and McKenzie on a quick quest to Stone's Throw Quarry fossil camp. Disintegrating fossil plates...Brown sugar--lots and lots of brown sugar...A suspicious quarry staff member...A door marked 'Private'...Will the girls' suspicions prove false? Or can the Camp Club Girls dig deep enough to unearth the culprit behind the phony fossils?"--P. [4] of cover.
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