Generous Justice - Keller explores a life of justice empowered by an experience of grace. The Meaning of Marriage - co-authored with his wife, Kathy, Keller turns his attention to that most complex of matters: our need for love, and its expression in marriage. Every Good Endeavour - Keller argues that God's plan is radically more ambitious than work being a means to and end: he actually created us to work. Preaching - known for his insightful, down-to-earth sermons and talks, Keller helps people understand themselves, encounter Jesus and apply the Bible to their lives.