"Knowledge of the Holy" is a book written by A.W. Tozer, a Christian pastor and author. In this book, Tozer explores the nature and attributes of God from a Christian perspective. He delves into topics such as God's sovereignty, holiness, love, and omnipotence, offering insights and reflections on how understanding these aspects of God can deepen one's faith and relationship with Him. Tozer's writing is known for its depth, reverence, and spiritual insight, and "Knowledge of the Holy" is considered a classic work of Christian literature that has inspired and challenged readers for generations.