T. Harris's book "I'm OK, You're OK" is a popular exposition of the theory and practical principles of transactional analysis (TA), one of the first monographs in this field of psychology and the first book on TA addressed to a truly general readership. The book offers practical methods for personality analysis and self-analysis within the framework of the famous "R-A-D" framework and, based on this framework, an analysis of manipulative interpersonal relationships, known as games.