Book excerpt: Although the relationship between fairness and the economic concept of efficiency is usually cast as an adversarial one, this collection demonstrates the robust and diverse ways in which economics engages - and cannot avoid engaging - with fairness. Part I contains papers presenting positive analyses of fairness preferences and beliefs, which are fundamental means through which fairness matters for economic models. Part II turns to normative analysis and the broad question of how law should reconcile fairness and efficiency considerations. Part III presents a sampling of legal and policy applications in which both fairness and efficiency considerations prove important. Along with an original introduction by the editors this is a must-have volume that will appeal to students, academics and practitioners who are interested in this exciting field.