Preface; Acknowledgments; Part I. Basics: 1. Economics and econophysics; 2. Measuring the income distribution; 3. Piketty's Capital in the Twenty-First Century; Part II. Statistical Econophysics: 4. Stochastic dynamics of income and wealth; Part III. Economic Cycles: 5. Circular flows in economic systems; 6. Goodwin type distributive macrodynamics; Postface; References; Subject index; Author index.