Christian apologetics scholar William Lane Craig provides a powerful and practical guide for defending the Christian faith. This concise guide is filled with illustrations, sidebars, and memorizable steps to help Christians stand their ground and defend their faith with reason and precision. In his engaging style, Dr. Craig offers ways to equip Christians, including how to: Answer the difficult questions about your faith Overcome times of spiritual doubt Understand not just what you believe, but why you believe Paired with personal stories from Dr. Craig's own life, this one-stop training manual will guide you in developing a biblical world view and will show you how being "on guard" with the truth has the power to change lives forever.