Klas Rönnbäck is Professor in Economic History at the University of Gothenburg, Sweden.

Oskar Broberg is Associate Professor in Economic History at the University of Gothenburg, Sweden.

Chapter 1: Introduction.- Part I: Research design.- Chapter 2: Historical context.- Chapter 3: Capital and colonialism in theory.- Chapter 4: Previous research.- Chapter 5: Method and data.- Part II: Aggregate results.- Chapter 6: The rate of return on investment in Africa.- Chapter 7: Risk and return.- Part III: Regional studies.- Chapter 8: North Africa.- Chapter 9: West Africa.- Chapter 10: Central/Southern Africa.- Chapter 11: South Africa.- Part IV: Thematical studies.- Chapter 12: On the ground floor.- Chapter 13: Imperial profits.- Chapter 14: African mining in global perspective.- Chapter 15: Conclusion.