This book explores the foundations of Islamic investment in the context of various products, their market application and regulation based on the Basel Accords. It provides a thorough overview of Islamic investment activities, such as Islamic debt, the money market and capital market products, as well as shares and the stock market, mutual funds, private equity, lease financing, and sukuk, among many others. Through a discussion of the current state and future prospects of Islamic investment, the book's theoretical and practical approach will offer academic, practitioners, researchers, students and general readers a well-balanced overview of Islamic financial markets, their ethics, and their Shari'ah foundations.