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Endangered Leopards
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5.0 |
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Endangered Manatees
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5.4 |
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Endangered Monkeys
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4.8 |
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Endangered Monk Seals
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5.7 |
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Endangered Mountain Gorillas
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5.8 |
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Endangered Pandas
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5.1 |
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Endangered Penguins
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5.3 |
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Endangered Rhinoceros
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5.6 |
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Endangered Sea Turtles
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5.7 |
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Endangered Tigers
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5.1 |
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Endangered Wolves
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5.5 |
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Endangered Zebras
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5.3 |
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En el estanque (At the Pond)
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Energy in Crisis
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7.1 |
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Energy IN, Energy OUT: Food as Fuel
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Energy Revolution (12 titles)
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Energy Sources (6 titles)
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Engineering Close-Up (4 titles)
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Engineering in Our Everyday Lives
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4.3 |
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Engineering Masterpieces (6 titles)
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Engineers Build Models
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4.4 |
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Engineers Solve Problems
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4.5 |
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England
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England: The Culture (revised)
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7.5 |
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