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Isle Royale
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Invaders from the Deep
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The Goby Effect
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Bad Reputations
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Helping Out Endangered Species
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The Damning Truth
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Night Moves
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Back from the Dead
Uncover the secrets of the vast Great Lakes region, which extends from the Canadian border to the American Midwest. It's a place of breathtaking natural beauty, with a unique set of challenges threatening its delicate environmental balance.