J. I. Packer (1926-2020) is regarded as one of the most well-known theologians and influential evangelicals of our time. In addition to his numerous other books, Packer wrote Knowing God, which has sold more than one million copies in North America alone. Packer's prolific work has impacted countless pastors, thought leaders, theologians, and authors.

Carolyn Nystrom has written more than eighty books, Bible study guides, and children's titles. She coauthored Praying with theologian J. I. Packer and Is the Reformation Over with scholar Mark Noll. She is also the author of the LifeGuide Bible Studies 1 & 2 Peter and Jude, Money and Work, Friendship, Listening to God and more.