Christian books are written works that focus on themes related to the Christian faith, including spirituality, theology, and moral guidance. They can range from Bible commentaries and devotionals to fiction and biographies of notable Christian figures. These books aim to inspire, educate, and deepen the reader's understanding of Christian teachings. Many Christian books are used in personal study, group discussions, or church settings. They often address contemporary issues through a Christian lens, providing insights on how to live a life aligned with Christian values. Popular authors in this genre include C.S. Lewis and Max Lucado.