Douglas Sean O'Donnell (MAs, Trinity Evangelical Divinity School and Wheaton College) is a senior lecturer in biblical studies and practical theology at Queensland Theological College in Brisbane, Australia, after spending nearly twenty years in pastoral ministry. He is currently obtaining his doctorate at Trinity College Bristol through the University of Aberdeen. He is the author of a number of books, including The Beginning and End of Wisdom, The Song of Solomon and Matthew in the Preaching the Word commentary series, and Psalms in the Knowing the Bible series. R. Kent Hughes (DMin, Trinity Evangelical Divinity School) is senior pastor emeritus of College Church in Wheaton, Illinois, and visiting professor of practical theology at Westminster Theological Seminary in Philadelphia, Pennsylvania. Hughes is also a founder of the Charles Simeon Trust, which conducts expository preaching conferences throughout North America and worldwide. He serves as the series editor for the Preaching the Word commentary series and is the author or coauthor of many books. He and his wife, Barbara, live in Wyncote, Pennsylvania, and have four children and an ever-increasing number of grandchildren.