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Explorers And Pioneers#2:Polar Pioneer.
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Explorers And Pioneers#1:Who Was Sacagawea?
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Science Investigators#2:The Disease Detective.
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Science Investigators#1:At The Scene Of A Crime.
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Shipwreks#2:Treasure Ship.
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Shipwrecks#1:I've Found The Titanic!
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Cool Jobs#2:Getting the Shot.
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Cool Jobs#1:Training Grizzlies.
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Favorite Foods#2:The Hottest Chilies.
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