Gold Rushes explores the dramatic economic and social transformations sparked by the pursuit of gold in North and South America. It examines how these rushes, exemplified by the California Gold Rush and the Brazilian Gold Rush, reshaped economies, societies, and the environment. Interestingly, the book highlights how these events, while promising prosperity, often amplified existing inequalities and led to the marginalization of vulnerable populations. The book argues that the gold rushes had profound and lasting impacts, spurring both economic development and significant social change. It investigates how different governance structures and social hierarchies influenced the outcomes of these rushes. For instance, the influx of miners led to boomtowns and new industries, but also to conflicts and environmental degradation. The approach taken in the book is to use historical context, primary source analysis, and quantitative data to support its claims. Structured in three parts, the book first introduces the historical context, then delves into the immediate economic effects, and finally explores the social and political impacts. By comparing the experiences of North and South America, Gold Rushes provides valuable insights into the complex relationship between resource extraction, economic development, and social change. Its lessons have direct relevance to contemporary issues such as resource management and economic inequality.