books.google.fr - In crystal-clear style Robbins Burling presents the most convincing account of the origins of language ever published. He traces language back to its earliest origins, charts the course of its development, and gives a unified picture of the sweep of language evolution. Along the way he sheds new light...https://books.google.fr/books/about/How_We_Reason.html?hl=fr&id=UjYsJN0krNYC&utm_source=gb-gplus-shareHow We Reason