Cecil M. "Mel" Robeck, Jr., Ph.D. is Professor of Church History and Ecumenics and Director of the David J. DuPlessis Center for Christian Spirituality, Fuller Theological Seminary. Robeck was an advisory editor to the 48 volume reprint series, The Higher Christian Life, which offers primary sources on the Holiness, Pentecostal, and Keswick movements. For nine years he was editor of Pneuma: The Journal of the Society for Pentecostal Studies. He has authored some 200 articles published in a range of historical, theological, and ecumenical journals, periodicals, and denominational magazines. For...