Alfred Marshall, Principles of Economics (1890) Founder of Modern (Neo-classical) Economics. His book Principles of Economics was the dominant textbook in economics for a long time and it is considered to be his seminal work.BOOK I: PRELIMINARY SURVEY 1. Introduction 2. The Substance of Economics 3. Economic Generalizations or Laws 4. The Order and Aims of Economic Studies BOOK II: SOME FUNDAMENTAL NOTIONS 1. Introductory 2. Wealth 3. Production, Consumption, Labour, Necessaries 4. Income. Capital. BOOK III: ON WANTS AND THEIR SATISFACTION 1. Introductory 2. Wants in Relation to Activities 3. Gradations of consumers' demand 4. The elasticity of wants 5. Choice between different uses of the same thing. Immediate and deferred uses. 6. Value and utility BOOK IV: THE AGENTS OF PRODUCTION. LAND, LABOUR, CAPITAL AND ORGANIZATION T 1. Introductory 2. The Fertility of Land 3. The Fertility of Land, continued. The Tendency to Diminishing Return. 4. The Growth of Population 5. The Health and Strength of the Population 6. Industrial Training. 7. The Growth of Wealth 8. Industrial Organization 9. Industrial Organization, continued. Division of Labour. The Influence of Machinery 10. Industrial Organization, continued. The Concentration of the Specialized Industries in Particular Localities. 11. Industrial Organization, continued. Production on a Large Scale 12. Industrial Organization, continued. Business Management. 13. Conclusion. Correlation of the Tendencies to Increasing and to Diminishing Return BOOK V: GENERAL RELATIONS OF DEMAND, SUPPLY, AND VALUE 1. Introductory. On Markets. 2. Temporary Equilibrium of Demand and Supply 3. Equilibrium of Normal Demand and Supply 4. The Investment and Distribution of Resources 5. Equilibrium of Normal Demand and Supply, continued, with reference to long and short periods 6. Joint and Composite Demand. Joint and Composite Supply 7. Prime and total cost in relation to joint products. Cost of marketing. Insurance against risk. Cost of Repls)