Roman, Richard and Edur Velasco Arregui. Continental Crucible: Big Business, Workers and Unions in the Transformation of North America. Halifax: Fernwood Press, 2013, 144 pp. $19.95 Canadian (paperback). Taken from: Roman, Richard and Edur Velasco Arregui. Continental Crucible: Big Business, Workers and Unions in the Transformation of North America. Halifax: Fernwood Press, 2013, 144 pp. $19.95 Canadian (paperback).