Perhaps in your past you've heard a fair bit about John Calvin (1509-1564) and his teaching on the sovereignty of God and predestination, but you've never quite understood his supporters or his detractors. You know that both Calvin's theology and these doctrines are important, but you are not entirely sure how to get your mind and arms around them. In this little book, Joel Beeke shows us why Calvin's teaching on God's sovereignty and predestination is crucial indeed. This is an extended version of an address Dr. Beeke originally gave at the Skogheim Conference in South Africa on June 28, 2009. Joel R. Beeke is president and professor Systematic Theology and Homiletics at Puritan Reformed Theological Seminary and a pastor of the Heritage Reformed Congregation in Grand Rapids, Michigan.