Mark Clifton. Nashville: B&H Books, 2016. 176 pp. (Paperback). Here’s a startling statistic for you: every year 900 Southern Baptist churches disappear. Most of them, according to author Mark Clifton, simply close their doors. And, according to LifeWay Research, only 15 percent of our churches are “healthy, growing and multiplying.” As Clifton notes, we hear a lot about planting churches,…