The Puzzle of Personality is a university textbook distinguished by its comprehensive coverage of theories, contemporary research, and methods of personality psychology, written in a pleasant, accessible, and everyday style.

Its content is organized around five main approaches: (a) the trait approach to personality; (b) the biological/genetic/evolutionary approach; (c) the psychoanalytic approach; (d) the phenomenological/humanistic/intercultural approach; and (e) the approach of learning and cognitive processes (cognition, motivation, emotion, self).

It also includes chapters on practical applications of personality psychology in interpersonal relationships, professional settings (leadership, management, professional success), and physical and mental health (personality disorders, longevity).

The summaries and questions posed by the author at the end of each chapter provide important pauses for reflection. Moreover, the strictly scientific and demanding content of certain topics becomes lighter when the author expresses his "personal opinion" with a more narrative and human style.

In this way, he encourages experiential and critical thinking, motivating the reader to discover the complexities of human nature and to integrate this knowledge into their personal and professional life.

At the core of the book lies the idea that personality is complex—a "puzzle," as the title says—and that understanding it is based on the contribution of many approaches and on recognizing that every person is the result of many factors that combine and continuously interact with each other: biology/heredity, social/family environment, experiences, motivations and choices, interpersonal relationships, culture.

The book invites readers on a journey of personal and scientific discovery—which you undertake not as passive observers but as active and critically thinking thinkers.