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出版Lerner Publications, 2006-12-26
主題Juvenile Nonfiction / Science & Nature / Earth Sciences / GeneralJuvenile Nonfiction / Science & Nature / Earth Sciences / WeatherJuvenile Nonfiction / Science & Nature / Disasters
ISBN08225657659780822565765
URLhttp://books.google.com.hk/books?id=KY_RSpzbaWkC&hl=&source=gbs_api
EBookSAMPLE
註釋Explains what droughts are and what causes them, provides the history of droughts around the world, and describes how scientists study them and what can be done to relieve or prevent them.