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Famed inventor Henry "Hank" Witherspoon has gone missing, and it's up to Jack and his brilliant siblings, Ava and Matt, to find him.
At Hank's ransacked lab, the siblings discover clues to the project he's been working on-a new way to generate and store electricity, inspired by the electric eels of the Amazon.
The kids travel deep into the Amazon jungle, following a series of clues Hank has left. Relying on genius, cunning, and new technology,...
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Jack, his genius siblings, and inventor Hank Witherspoon go to Hawaii and help technology billionaire Ashley Hawking find out who is sabotaging her revolutionary electric plant that harvests energy from the deep ocean. Includes facts about the deep ocean, the scientific process, and green power, as well as instructions for an experiment.
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