These are self-help and motivational books which is usually about taking immediate action. It explains how your thoughts mold your personality, and how that personality drives you to take action and determines the type of action you'll take. You need to present your thoughts in a meaningful, orderly, and logical way. An outline will help you do just that, while at the same time helping you stay focused. A logical flow of thought is necessary to get right. It helps the reader understand all the points you are making.