I was just asked this question by Matthew Barrett of Credo. It is an easy question to answer in some ways. Out of the multitude of books that I did read in 2011, one stands out head and shoulders above the others. It is John Wigger, American Saint: Francis Asbury and the Methodists (Oxford University Press, 2009). This is "thick" history at its best: rich in detail, conversant with the cultural, theological and ecclesial scene and deeply awe-inspiring. I was astonished at the way I resonated with the heart-beat of a man with whom I have serious theological differences on the level of secondary issues. A superb read.