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On Assignment, Peering into Darkness
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  • Chinese, English
  • Year: 2005
  • Author: Jonhson, R. L.
On Assignment, Journeying into Rain Forests
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  • Chinese, English
  • Year: 2005
  • Author: Jonhson, R. L.
On Assignment, Learning about Ocean Animals
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  • Chinese, English
  • Year: 2005
  • Author: Jonhson, R. L.
On Assignment,Tracking Animal Migrators
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  • Chinese, English
  • Year: 2005
  • Author: Jonhson, R. L.
Science Issues Todays, Global Warming
Science Issues Todays, Global Warming
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  • Chinese, English
  • Year: 2004
  • Author: Jonhson, R. L.
Scientists In The Field, Sylvia Earle Protecting the Seas
Scientists In The Field, Sylvia Earle Protecting the Seas
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  • Chinese, English
  • Year: 2004
  • Author: Johnson, R. L.
Scientists In The Field, Robert Ballard Discovering Underwater Treasures
Scientists In The Field, Robert Ballard Discovering Underwater Treasures
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  • Chinese, English
  • Year: 2004
  • Author: Johnson, R. L.
Scientists In The Field, Johan Reinhard Discovering Ancient Civilizations
Scientists In The Field, Johan Reinhard Discovering Ancient Civilizations
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  • Chinese, English
  • Year: 2004
  • Author: Johnson, R. L.
Scientists In The Field, Paul Sereno Digging for Dinosaurs
Scientists In The Field, Paul Sereno Digging for Dinosaurs
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  • Chinese, English
  • Year: 2004
  • Author: Johnson, R. L.