This document is a guide to Bitcoin that outlines its five chapters. Chapter I discusses the problems with fiat currencies and the need for an alternative. Chapter II defines Bitcoin and its creator Satoshi Nakamoto, and explains how Bitcoin works. Chapter III covers how to mine, trade, and spend Bitcoins. Chapter IV looks at the merits and demerits of Bitcoin as well as questions around its security, legality, and whether it is a bubble. Chapter V contains concluding thoughts.