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" An] extraordinary book . . . Mr. Gould is an exceptional combination of scientist and science writer . . . He is thus exceptionally well placed to tell these stories, and he tells them with fervor and intelligence."--James Gleick, New York Times Book Review High in the Canadian Rockies is a small limestone quarry formed 530 million years ago called the Burgess Shale. It holds the remains of an ancient sea where dozens of strange creatures lived--a forgotten corner of evolution preserved in awesome detail. In this book, Stephen Jay Gould explores what the Burgess Shale tells us about evolution and the nature of history.