There are many useful skills relate to persuasion, the author used many case studies (real court cases) to demonstrate this skills and the way to deal with some unpleasant human nature. The key word is "Gentle". If there is no attack/accuse, there is no defensive reactions. Overall, a useful book with interesting court cases and author's personal experiences.
This book contains practical tips and comments regarding the value of gentle persuasion told in a delightfully light and readable fashion using examples from the author's considerable experience.