The extinction of dinosaurs some sixty-five million years ago is one of the greatest biological catastrophes in the history of our planet. Yet in recent years, paleontologists have turned up increasing evidence that ancestors of one group of dinosaurs still fly among us: birds. Join Cathy Forster, one of the few female paleontologists working today, on an expedition to Madagascar in search of clues to the mystery of bird evolution. 本书主要讲述了凯西，福斯特跟随古生物学家探险的经历。他们要去马达加斯加岛探索，寻找恐龙的化石。