The Principle Approach - Audiobook on Cassette Retail Price: $4.95 Our Price: $3.99 Save: 0.96 (19.39%)        This cassette will train individuals how to teach by the Principle Approach methodn the areas of History and Literature. This is America's historic method of education and teaches a child to reason Biblically in all areas of life, and makes the truths of God's Word the basis of every subject in the school curriculum. 1 cassette. Similar Items you may enjoy! The Principle Approach - Audiobook on Cassette Author: Stephen McDowell Our Price: $3.95 Noah Plan Academy DVD Disk 3: God's Principle of Individuality and Principle Approach Our Price: $29.45 The Oz Principle - Audiobook on Cassette Author: Roger Connors Our Price: $14.99 A Chronological Unit Approach to History - Audiobook on Cassette Author: Kathryn Stout Our Price: $4.49