Howard A. Snyder is Visiting Director of the Manchester Wesley Research Centre in Manchester, England. He has served as a pastor and as a professor at Asbury Theological Seminary (1996-2006), Tyndale Seminary in Toronto (2007-2012), and elsewhere. His books include The Problem of Wineskins, The Radical Wesley, Models of the Kingdom, and Salvation Means Creation Healed (with Joel Scandrett). Daniel V. Runyon is professor of English at Spring Arbor University, Spring Arbor, Michigan. He is editor of The Holy War: Annotated Companion to The Pilgrim's Progress.