FUZZY SET THEORY AND FUZZY CONTROLLER consists of two parts, the first part from chapters 1 to 6 deals with fuzzy sets theory including fuzzy sets and operations, fuzzy logic and applications, fuzzy relations and graphs, fuzzy rule base and applications, fuzzy systems and possibility and uncertainty measures. The second part consists of chapters7 to 12 which deals with fuzzy information measures, generalized fuzzy measures of directed divergence and information improvements, R-norm Fuzzy information measure and their generalizations, information measures of fuzzy matrix and fuzzy relations and intuitionistic fuzzy information measures with applications.