This document provides an overview of the Islamic financial system. It begins with some background on the rise of globalization and different cultures attempting to contribute to the international business world. The author then discusses two challenges in writing about the Islamic financial system: 1) the religious background and 2) it not being a single, unified system. The rest of the document covers an introduction to Islam, common principles of Islamic finance like contractual fairness and social justice, prohibited transactions, modes of financing, and challenges facing Islamic finance.