Geisler's complete masterpiece! Volume 1 covers the existence of God; truth's inevitability; divine revelation; and Scripture's origin and inspiration. Volume 2 addresses God's attributes and his working in history. Volume 3 examines sin; its defeat by Christ; and the assurance of heaven. Volume 4 studies church history and administration; and end-times theories. 2624 pages total, four hardcovers from Bethany.