Manfred Prior is the most popular and well-known trainer in the use of precise language in hypnotherapy and counselling in Germany. His book, MiniMax-Interventionen, is one of the most amazing bestsellers in the German language psychological field. It has sold so many copies that it can't only be psychotherapists and MDs who are using it to enhance their communicative skills, most probably a lot of lawyers, politicians, executive managers and school teachers have spotted the immense value of this book for professional communication.