Dr. Radi Al-Waqfi's 'An Introduction to Psychology' is a comprehensive and updated fourth edition text from 2014. This foundational book provides readers with a thorough overview of the core principles of psychology, exploring topics from the history of the field to complex concepts like cognition, emotion, and personality development. It serves as an essential resource for students beginning their studies in psychology and for anyone interested in understanding the scientific study of human behavior and mental processes. The book systematically breaks down key theories and research findings, making them accessible and engaging.