Time travel, adventure, and scientific mystery! When a pair of middle school kids faces a scientific mystery, a teenage Dude of Dudette from the future lends them a hand-held time travel device. Visits to diverse scientists from a thousand-year span of history worldwide arm the kids with the smarts they need to outwit villains, solve mysteries, and qualify for membership in the Galactic Academy of Science. Electronics, paleontology, and the science of viruses and vaccines form the background fPurchasing Options:
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