Book excerpt: Historians of migration will welcome Mark Wyman's new book on the elusive subject of persons who returned to Europe after coming to the United States. Other scholars have dealt with particular national groups... but Wyman is the first to treat... every major group.... Wyman explains returning to Europe as not just the fulfillment of original intentions but also the result of 'anger at bosses and clocks, nostalgia for waiting families,' nativist resentment and heavy-handed Americanization programs, and a complex of other problems.... Wyman's 'nine broad conclusions' about the returnees deserve to be read by everyone concerned with international migration.