books.google.com - The origin of agriculture is one of the defining events of human history. Some 11-10,000 years ago bands of hunter-gatherers started to abandon their high-mobility lifestyles in favour of growing crops, and the creation of settled, sedentary communities. This shift into an agricultural lifestyle triggered...http://books.google.com/books/about/Domestication_of_Plants_in_the_Old_World.html?id=1hHSYoqY-AwC&utm_source=gb-gplus-shareDomestication of Plants in the Old World