In this insightful academic work, Prof. Dr. Sabri Bardan Al-Hayani delves into the fascinating world of cognitive psychology, focusing on Anthony Gregorc's theory of thinking styles. The book meticulously examines the four dominant styles—Concrete Sequential, Abstract Sequential, Abstract Random, and Concrete Random—providing a comprehensive framework for understanding how individuals perceive and process information. Furthermore, it explores the intricate relationship between these cognitive styles and established personality types, offering valuable insights for educators, psychologists, and anyone interested in the nuances of human thought. This study provides a critical analysis of how our inherent thinking patterns shape our personality.