The book explores how American identity has continuously evolved, from colonial times through waves of immigration and civil rights struggles, examining the tension between national unity and diversity, and how the concept of being American has been constantly redefined.

Traces America's transformation from a fledgling nation to global superpower, examining key events and decisions that shaped its international role, including the shift from isolationism to interventionism and its impact on world affairs.

Chronicles the ongoing pursuit of social justice in America, from the fight against slavery and women's suffrage to the Civil Rights Movement, highlighting how each generation continues the work of creating a more equitable society.