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The Mystery Library - The Extinction of the Dinosaurs (The Mystery Library)
The Mystery Library The Extinction of the Dinosaurs - The Mystery Library Author:Don Nardo What killed the dinosaurs? Since their discovery in the early nineteenth century, the extinction of these fascinating beasts that ruled the earth for some 160 million years has baffled modern researchers. This up-to-date, well-documented study examines the major theories that were proposed and then discarded until the recent discovery of intri... more »guing evidence suggesting that the impact of an extraterrestrial object exterminated the dinosaurs. (20021001)« less