Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition by Douglas H. Erwin

Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition

Douglas H. Erwin

320 pages first pub 2006 (editions)

nonfiction science challenging informative tense slow-paced
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Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out--a global catastrophe far greater than the dinosaurs' demise 185 million years later. How this happened ...

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