| Building Green Places: Careers in Planning, Designing, and Building |
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7.9 |
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| Building Virtual Worlds |
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| Building Your Knowledge in the Digital World |
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| Bullying |
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5.4 |
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| Burning Out: Energy from Fossil Fuels |
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6.4 |
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| Buzz off, Flies! |
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6.2 |
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| Cadenas alimentarias de la costa marina (Seashore Food Chains) |
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5.0 |
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| California and Other Western Wildfires |
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| Calvin Klein: Fashion Design Superstar |
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| Canada in World War I: Outstanding Victories Create a Nation |
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6.7 |
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| Canada - the culture (revised, ed. 3) |
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7.1 |
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| Canada - the people (revised, ed. 3) |
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7.1 |
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| Can We Be Friends? Buddy Building Strategies |
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| Can We Get Along? Dealing with Differences |
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| Can You Hear Sounds in Space? |
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| Careers in Undercover Operations |
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| Carly Rae Jepsen |
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6.3 |
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| Carrie Underwood |
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6.4 |
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| Castles |
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5.6 |
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| Catastrophic Weather |
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6.8 |
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| Cat Pals |
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5.2 |
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| Caught in the Rapids |
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5.6 |
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| Censorship and Privacy |
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| Center Court: The History of Basketball |
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5.7 |
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