Transactional analysis is the analysis of interactions in the process of communication. Mastery of this technique allows you to covertly control your interlocutor and achieve the desired results. The author is one of the most widely read psychological authors, whose total circulation of books is more than 800,000 copies. The book is a guide to mastering extremely effective techniques of transactional analysis and covert management of people, closely related to each other friend. The reader is given the opportunity to practice using these techniques and expand the arsenal of techniques for psychologically influencing others. The effectiveness of the techniques has been shown in a variety of real situations - usually difficult, including manipulation. Addressed to everyone who wants to master the techniques of psychological influence on others and achieve success.