In what remains a widely discussed issue in contemporary theology, J. Gresham Machen's The Virgin Birth of Christ acts as both an introduction to the subject, and a window into American 'Princeton' theology in the early twentieth century. Machen undertakes an encyclopaedic study of the different perspectives on the virgin birth. He begins with a close reading of the scriptural accounts, comparing and contrasting the stories of Jesus' birth told in Luke and Matthew. Secular historical accounts are then considered, as well as possible alternative theories, including the likelihood of...