books.google.co.uk - For decades the issue seemed moot. The first settlers, we were told, were big-game hunters who arrived from Asia at the end of the Ice Age some 12,000 years ago, crossing a land bridge at the Bering Strait and migrating south through an ice-free passage between two great glaciers blanketing the continent....http://books.google.co.uk/books/about/Lost_World.html?id=Pp8xRFlDciAC&utm_source=gb-gplus-shareLost World