How much do I want to read more? 7/10

It looks promising, the first part of the book explain how much the invention of the "plow" (farming) changed so many things. It boosted the food supply, thus gave some men more freedom to do other things, develop skills, arts, have more babies with women.

1. The Plow

Think about that: It becomes possible for a fifth of a society’s population to grow enough food to feed everyone. What do the other four-fifths do? Well, they’re freed up to specialize in other things: baking bread, firing bricks, felling trees, building houses, mining ore, smelting metals, constructing roads—making cities; building civilization.