The book "Race and Immigrants in America" by the famous author John R. Commons is an unparalleled study of the history and social dynamics of migration processes and relations between different racial groups in the United States of America. The author analyzes the impact of migration on the cultural, economic and political aspects of American society, revealing important topics of relations between immigrants and local residents. The book by Commons, John R. (John Rogers) draws attention to important aspects of inclusiveness and discrimination, revealing the historical ways of shaping American society through the prism of differences in racial and cultural identities. The author guides the reader through the important stages of diversity and coexistence of different ethnic groups, demonstrating the influence of their assimilation processes on the formation of American society. "Race and Immigrants in America" is an important source for understanding the complex and contradictory nature of sociocultural relations in the United States and is marked by an in-depth analysis that helps the reader better understand the past and present life of American society.