This sixth volume covers nineteen learning modules. It addresses the characteristics of fixed-income instruments, cash flows, and types of fixed income, the issuance and trading of fixed-income securities, bond markets for corporate issuers, bond markets for government issuers, the valuation of fixed-income bonds: prices and yields, yield measures and yield spreads for fixed-rate bonds, yield measures and yield spreads for floating-rate instruments, the term structure of interest rates, spot, par, and forward curves, interest rate risk and return, yield-based bond duration measures and their properties, yield-based bond convexity and portfolio properties, curve-based and empirical bond risk measures, credit risk, credit analysis for government issuers, credit analysis for corporate issuers, fixed-income securitization, asset-backed securities, and mortgage-backed securities.