A book all about coffee "Don't talk to me before I've had my coffee." You either are that person, know that person, or you live on Mars. I found that about 2/3 of adults drink coffee in the US. Me? I primarily drink lattes, but apart from knowing that espresso goes with milk, I didn't know much about coffee beans before doing this post. Worse still, coffee farming runs in my family and even after going to coffee plantations in my youth I don't know much beyond "don't burn it