books.google.com - There are more than six thousand languages used around the world today, although linguists now estimate that by the year 2050 as many as half of those will be extinct. This beautifully designed, engagingly written reference takes us on a panoramic tour of the globe to explore this unique and endangered...http://books.google.com/books/about/One_thousand_languages.html?id=Q3tAqIU0dPsC&utm_source=gb-gplus-shareOne thousand languages