"Thinking, Fast and Slow" by Daniel Kahneman explores the two systems that drive human thought: System 1 (fast, intuitive, and emotional thinking) and System 2 (slow, deliberate, and logical thinking). The book delves into cognitive biases, decision-making, and how our minds often take shortcuts that can lead to errors. Kahneman, a Nobel Prize-winning psychologist, provides insights into human behavior, helping readers understand why we think the way we do and how to make better choices.