Stjepan Šejić's critically acclaimed graphic novel 'Harleen' offers a profound and intimate psychological exploration of Dr. Harleen Quinzel's tumultuous journey and her eventual transformation into the iconic Harley Quinn. This compelling narrative delves deep into her initial motivations as a psychiatrist, her fateful encounters with the Joker, and the complex, often unsettling, emotional and mental dynamics that irrevocably shape her destiny. Šejić's distinctive artwork and empathetic storytelling provide a fresh, nuanced, and deeply human perspective on one of DC Comics' most captivating and multifaceted characters, making it an indispensable read for fans seeking her definitive origin story.