This volume continues a chronological biography of John Wesley, covering his itinerant labors between 1748 and 1751, recounting frequent narrow escapes and physical dangers, expansion of societies and chapels, violent persecutions in Ireland and England, disputes with Moravians and Unitarians, tensions with George Whitefield and other contemporaries, Wesley's marriage and personal trials, the appointment of preachers and conferences, schooling at Kingswood, notable conversions and publications, and episodes of public disturbance and controversy that shaped early Methodism.