Global Unions, Local Power offers a rare note of hope, suggesting that at least in this case, the GFA provided a platform on which relative weak unions could construct a stronger voice for labor.- Gay W. Seidman (ILR Reviews) InGlobal Unions, Local Power, Jamie mcCallum draws a very detailed account of the international union campaign launched against G4S, the largest security services company and second largest private employer in the world. Relying on extensive fieldwork and numerous interviews, the book documents a major developement in the field of labour internationalism....Global Unions, Local Powersis an important contribution to the growing field of global labour studies. Contrary to what its title suggests, the book goes beyond the commonluy used slogan 'Think globally, act locally' and offers an in-depth analysis of one of the most extensive international campaigns conducted so far.- Thomas Collombat (Labour/Le Travail) With a sweeping brush through the history of labor's internationalism and a deep dive into the local impacts of one global labor campaign, McCallum offers a unique and useful insight into labor's potential pathway to power. Anyone interested in the future of labor should read this book.- Rina Agarwala (American Journal of Sociology)