This book is a unique journey into the worlds of philosophy, psychology, and sociology, where the author addresses issues of overthinking and how it can impact our daily lives.

In "Overthinking," Hamza Maimouni shares his personal experience in trying to understand the world around him. The author begins with a story of his childhood passion for mathematics, then his shift to philosophy after a high school incident made him reconsider his interests. The book reviews the author's journey in discovering different philosophies such as existentialism, nihilism, and Stoicism, and how these philosophies contributed to shaping his way of thinking. The book's title, "Overthinking," indicates that this term leads him to pose philosophical questions about existence and the meaning of things.

The book consists of two important journeys: the first journey delves into overthinking in pursuit of understanding major cosmic questions like: What is existence? What is humanity's role in the universe? What is the meaning of life? The second journey addresses every topic that came into the author's mind