The Secret of the Hidden Cave: Part 1 -- Adventure on the Aucilla River: Part 1. Adventure on the Aucilla River: Part 1.
Summary:
Jonathan, Jessie and Dr. Park make a quick trip to the hidden cave. When the lights go out and Dr. Park disappears, Jonathan and Jessie have to hold on to the one thing that will save Jessie's family ranch-- unless the evil Simon Addleman doesn't get to them first.
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