This book is intended to develop some important discourses on three important subjects, that s, money, Islamic banks and the real economy. The discussion on money will highlight the role f money as capital. It starts with an understanding of why money is so important to the smooth unctioning of the economy and how it improves human well-being, we need to understand exactly hat money is. To quantify the impact of money on the economy, we need to be able to measure it. The goal of these discussions is to understand what the concept of money is, how we use it, how we measure it and how we channel it to Islamic banking.