A group of boys are led by a mysterious pizza-slice-shaped tablet from an alien civilization to the most extreme environments on earth in order to save their dying world. The boys hit various snags and pitfalls as they travel to the underwater volcanic vents of Pele's Pit near Hawaii, try to capture scans of emperor penguins in Antarctica, and unexpectedly drop in on a group of Yeti at the top of the Himalayas.
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