Tamra Orr

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Studying Sinkholes (Explorer Library: Science Explorer)
Orr, Tamra B

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� 3.68

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Forecasting a Flood (Explorer Library: Science Explorer)
Orr, Tamra B.

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� 5.86

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Understanding Insects (Science Explorer: Follow the Clues)
Orr, Tamra B.

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� 3.07

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Microblogging (21st Century Skills Library: Global Citizens: Social Media)
Orr, Tamra B

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� 8.45

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Hurricane Katrina and America's Response (Perspectives Library: Modern Perspectives)
Orr, Tamra B.

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Unearthing Fossils (Explorer Library: Science Explorer)
Orr, Tamra B

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� 10.91

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Battling Extinction (Science Explorer: Follow the Clues)
Orr, Tamra B.

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� 7.43

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Searching the Sky (Science Explorer: Follow the Clues)
Orr, Tamra B.

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� 13.30

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