What is a good book on the historical and anthroplogical differences between wheat and rice growing cultures?

I once read a restaurant review that referenced a book on the different historical lifestyles and cultures of countries that grew wheat (less food but more spare time) and rice (more food less time). Ring any bells?What is a good book on the historical and anthroplogical differences between wheat and rice growing cultures?
"Guns, Germs and Steel" by Jared DiamondWhat is a good book on the historical and anthroplogical differences between wheat and rice growing cultures?
C. Kayak gave the same book I was going to give. It is a very great Pulitzer Prize winning book and discusses other things as well.