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 incredible detail. In this book Stephen...
"Luminous. . .Filled with profound and upsetting ideas like the Burgess Shale itself and just as solid. It is surely one of nature's best stories, told with a light touce by a master of the field".--Lewis Thomas, M.D.