This work investigates how Italian immigrants in early 20th-century Chicago navigated the complex American racial hierarchy to secure social and political standing. Thomas A. Guglielmo, a scholar of American history and race, utilizes extensive archival research, including census data, newspaper accounts, and organizational records, to argue that Italians were often treated as 'white' in terms of legal and social access while simultaneously being subjected to racialized stereotypes. The book provides a framework for understanding the fluidity of racial identity and the strategic assimilation processes employed by European immigrant groups during this era.

Historians and sociologists frequently cite this text as a foundational study on the construction of whiteness among European immigrant groups in the United States. Readers often note the academic density of the prose, which provides a rigorous examination of the intersection between labor, housing, and racial politics in the urban North.