When dinosaurs ruled the Earth... In this brilliant, acclaimed novel they still do. The cosmic catastrophe that ended the Age of the Dinosaurs 65 million years ago in the world we know never happened. The evolution of the great reptiles continued, climaxing with the Yilanè, the most intelligent and advanced race on Earth. But when the onset of a new Ice Age forces them to cross the ocean to explore and colonize a vast, strange continent, they clash violently with a savage breed of mammal that walk erect, hunt and use crude stone tools - and weapons... West of Eden is Harry Harrison's greatest feat of imaginative story-telling . This epic tale of the titanic clash of two vastly different cultures sweeps the read along on a hurricane-force ride of total excitement.