At present, a comprehensive work on the 'Christian call for unity' has yet to be written. It requires: an analysis of the doctrinal elaborations and theological languages; a collection of individual and generational developments; a focus on ecclesiastical and institutional patterns; and an historical connection between ecumenism, politics, and diplomacy. However, this volume is a step forward in filling the gap, with a number of scholars - historians, theologians, and members of several Christian denominations - presenting their research focusing on the search for Christian unity and its...