"The Enemy Within" is an exciting psychological thriller by a famous writer. This book tells the story of the main character, who finds himself in a difficult situation, when it would seem that there is no one to compare his underrated mid-term success with. He discovers that he must face the enemy within himself in order to survive the greatest challenge of his life. This book gives an opportunity to delve into the inner world of the hero, unravel the secrets of his psyche with him and the reader, as well as ask yourself questions about your own beliefs and moral values. "The Enemy Within" is an exciting read that will leave a deep mark in the heart of anyone who decides to open its pages for themselves.