<p><b>A ground-breaking introductory textbook for the study of the New Testament and the first Christians, written for the next generation of students</b><p><i>Comparing Christianities:</i><i>An Introduction to the New Testament and the First Christians </i>maps the historical rise of Christianity out of a network of early Christian movements. This major new textbook systematically explores the struggles to define the faith by presenting Christianity as the result of a lengthy process of religious consolidation which emerged from a landscape of persistent Christian diversity. <p>The book delves into the history of the first five generations of Christians, from Paul to Origen. The first chapter considers the challenges of constructing Christian histories and offers a new model of Christian families to organize and explain the emergence and competition of different varieties of Christianity. Each successive chapter focuses on key issues that Christian leaders engaged over the centuries,