The first section of the work Introduction to Psychology covers the Biological, Developmental, and Behavioral Approaches to Psychology, as well as the field of Cognitive Psychology. This section includes indicative chapters such as: "The Science of Psychology," "Biological Bases of Behavior," "Development," "Learning," "Perception," "Memory," "Thinking," "Language," etc.

The second section provides a broad overview of the field of Social and Clinical Psychology. The presentation of the topics successfully balances between a basic introduction and a deeper examination of the field with references to research methods.

The first part of the section refers to Social Psychology. It begins with the exploration of how individuals' thoughts, emotions, and behaviors are influenced by the presence of others.

The second part of the section refers to Clinical Psychology. The major psychotherapeutic schools are developed, and there is a discussion regarding clinical research, psychotherapeutic practice, and its future.

This work fully addresses a significant gap in the Greek literature on modern Psychology, with a work, moreover, written by Greek psychologists and specifically tailored to the educational needs of Greek students.