Title from disc label. Compact discs. "The new adventures."--Container spine. "The complete 13th series"--Container.
Summary:
After opening a mysterious package from an anonymous benefactor, Jonathan discovers he's been entrusted with a very special assignment. Soon, he and his friends are launched on a hair-raising, cross-country hunt through America s national parks. Their mission? ...To retrieve eight historical artifacts within 30 days and present them to the benefactor. A secret clue leads them to each artifact, but how are they connected? The reward is huge, but is there a hidden agenda behind this shadowy expedition? One thing becomes clear along the way there s much more at stake than they ever imagined!.
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