Preface. Part One. Effective Thinking Skills. Thirteen Greatest Ideas for How Your Mind Works. Eight Greatest Ideas for Clear Thinking. Five Greatest Ideas for Truth. Part Two. Decision Making Strategies. Twenty-two Greatest Ideas for Decision Making. Nine Greatest Ideas for Sharing Decisions. Part Three. How To Solve Problems. Eight Greatest Ideas for Problem Solving Strategies. Part Four. Generating Ideas. Thirteen Greatest Ideas for Productive Thinking. Eleven Greatest Ideas for Useful Originality. Part Five. Practical Wisdom. Eleven Greatest Ideas for Practical Wisdom. Appendix - Solutions.