Bookstore › The 7 Habits of Highly Effective People Image 1 of 1 The 7 Habits of Highly Effective People $7.50 This is a quick study guide teaching the basics of the Seven Habits of Highly Effective People. Add To Cart Added! This is a quick study guide teaching the basics of the Seven Habits of Highly Effective People. You Might Also Like What is Grace? $7.50 Understanding the Effects of Sin $7.50 Understanding What Sin Is $7.50 Thoughts Are The Root, Lust Is The Tree (Life, Driving Force) That Produce The Fruit of Sin $7.50 What the Bible Says About Friendship: Quick Study Guide $7.50