This book provides comprehensive concepts, literature and tools of security analysis. The book provides a measure of the risk of an individual security that is in line with portfolio theory. It also empowers one with the ability to estimate the unverifiable risk of a single asset and compare it with the diversified risk of a well-diversified portfolio. It guides one to develop project screening rates, value companies and measure the impact of policy change on risk. The book is a good companion to students of finance, accounting, economics, and business administration and management studies in general. It also serves as a useful and powerful tool to stock brokers, investors, policy makers and researchers in the mentioned subject areas.