Ezekiel talked about four-faced winged creatures and spinning multi-eyed wheels within wheels. Leonard Sweet also uses striking spiritual metaphor—such as "faithquakes" and "soul tsunamis." I had suspected Sweet suffered from the futurist-fad-of-the-month syndrome, especially after seeing some of his book titles, such as Eleven Genetic Gateways to a Spiritual Awakening or A Cup of Coffee at the Soul Cafe. But I had a chance to meet Drew University's "Professor of Postmodern Christianity" at the Christian Booksellers Association convention last month in Orlando, and my stereotype was overturned. Maybe, I thought, he is more prophet than faddist.

I discovered that Sweet does not play the provocateur just to be a rebel, but because he worries that the church is choosing a mission different from God's ("We may be seeing a time where God is more active in the world than in the church").

At 34, Sweet was the president of United Theological Seminary in Dayton, Ohio, and a scholar in the mold of evangelical historians Mark Noll and George Marsden. But in the early 1980s he felt the Lord challenge him: "Do you want to do ministry in the world you wished you had or do you want to do ministry in the world you have?" When he opened his eyes to the way the world actually is, he saw a postmodern revolution, if not a reformation. For instance, he saw that the future belonged to Pentecostals and the Orthodox in terms of worship style, because they were EPIC: experiential rather than rational; participatory rather then representational; image-based rather than word-based; and communal rather than individualistic. Again, this was not necessarily the way the world should be, but the way it is.

Sweet has just published two new books that ...