ISBN: 0471157821 EAN #: 9780471157823 Title: Environmental Science: Earth As a Living Planet, 2nd Edition Author(s): Daniel B. Botkin,Edward A. Keller

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ISBN: 013423443X EAN #: 9780134234434 Title: Ecology: Earth's Living Resources Author(s): Anthea Maton

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ISBN: 0534210600 EAN #: 9780534210601 Title: Biology: The Unity and Diversity of Life (Wadsworth Biology Series) Author(s): Cecie Starr,Ralph Taggart

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