| The Assassination of John F. Kennedy |
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| The Murders of Tupac and Biggie |
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| Earning, Saving, and Investing |
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| The Dark Web |
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5.5 |
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| The Evolution of Mammals |
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| The Evolution of Reptiles |
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| Meth |
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| Steroids |
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| The Dakota Access Pipeline |
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8.8 |
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| Advertising Overload |
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| What Are Race and Racism? |
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| Hidden Human Computers: The Black Women of NASA |
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7.7 |
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| The Zika Virus |
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8.1 |
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| Women in Science |
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| Women in Sports |
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| Black Lives Matter |
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| Trench Warfare |
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8.3 |
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| Bombing of Pearl Harbor |
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| Ancient Maya |
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Animal Icons
$119.70
American Values and Freedoms
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My Little Pony: Friends Forever Set 2
$151.60