They were black and white, young and old, men and women. In the spring and summer of 1961, they put their lives on the line, riding buses through the American South to challenge segregation in interstate transport. Their story is one of the most celebrated episodes of the civil rights movement, yet a full-length history has never been written until now. In these pages, acclaimed historian Raymond Arsenault provides a gripping account of six pivotal months that jolted the consciousness of America.