Lunch has never been free. Good reads, if this area interests you, are Fernand Braudel Civilization and Capitalism Vol 1: The Structures of Everyday Life and V

Lunch has never been free. Good reads, if this area interests you, are Fernand Braudel Civilization and Capitalism Vol 1: The Structures of Everyday Life and Vaclav Smil Energy and Civilization: A History.