This book investigates the role immigrant radicals have played in U.S. society from the mid-nineteenth century to the present.

Paul Buhle directs the Oral History of the American Left project, Tamiment Library, New York University, and has written or edited 21 books, including Marxism in the United States; Encyclopedia of the American Left; The American Radical; and C. L. R. James: The Artist as Revolutionary. Dan Georgakas teaches in the Labor Education and Advancement Project of Queens College. He is author of Greek America at Work; associate editor of the newspaper The GreekAmerican; and coeditor of Encyclopedia of the American Left and New Directions in Greek American Studies.