Typhoid Fever
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6.0 |
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Tuberculosis
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6.3 |
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Smallpox
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6.2 |
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The Flu of 1918
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6.0 |
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Erased by a Tornado!
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5.6 |
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Mangled by a Hurricane!
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5.7 |
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Struck by Lightning!
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5.4 |
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Disaster Survivors (8 titles)
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Slammed by a Tsunami!
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5.5 |
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Leveled by an Earthquake!
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5.7 |
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Devastated by a Volcano!
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5.4 |
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Blitzed by a Blizzard!
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5.3 |
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Hammered by a Heat Wave!
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5.2 |
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Traveling Green
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6.3 |
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Going Green (5 titles)
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Building Greenscrapers
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6.3 |
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Making Cities Green
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6.0 |
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Eating Green
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5.9 |
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Using Earth's Underground Heat
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5.9 |
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Climate Change
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5.6 |
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Earth in Danger (2 titles)
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Living Green
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5.9 |
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Emergency at Three Mile Island
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5.1 |
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Code Red (13 titles)
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