This book examines the complex tapestry of immigration to the United States, exploring the policies and human experiences that have shaped the nation's demographic landscape. Ashabranner draws upon extensive research into immigration patterns and governmental policies, presenting a nuanced argument about the continuous role of immigration in American identity and development. The work is structured around individual case histories, illustrating the diverse motivations and challenges faced by immigrants from various global backgrounds.

The book is recognized for its comprehensive approach to the subject of immigration, offering a balanced perspective that combines policy analysis with personal narratives. Ashabranner's work is noted for its accessibility, making complex historical and social issues understandable to a broad audience. The inclusion of varied case histories provides a human dimension to the statistical and policy discussions, highlighting the individual struggles and triumphs of those who have come to the United States.