This document provides an overview of coffee, including its history, types of coffee beans, roasting process, most expensive coffees, top 10 coffees in the world, facts about coffee, International Coffee Day, and movies about coffee. The history of coffee dates back to the 10th century in Ethiopia. There are two main types of coffee beans - Arabica and Robusta, which differ in taste, growing conditions, and price. Kopi Luwak from Indonesia is considered the most expensive coffee due to its uncommon production process involving the Indonesian palm civet.