This document provides an overview of Islamic banking principles and Sharia law. It discusses the primary and secondary sources of Sharia law, including the Quran, Sunnah, Ijma, Qiyas and Ijtihad. It outlines six key principles of Islamic banking: prohibiting predetermined loan repayments, requiring profit and loss sharing, prohibiting making money from money, banning uncertainty and speculation, only allowing Sharia-compliant contracts, and upholding the sanctity of contracts. It also discusses Islamic law of contracts and asymmetrical risk within Islamic banking.