Thinking, Fast and Slow is a non-fiction book by Daniel Kahneman, published in 2011. Kahneman, a Nobel laureate in economics, explores the two systems of thinking that drive our decisions: the fast, intuitive system and the slow, deliberate system. He delves into the cognitive biases and heuristics that affect our judgment and decision-making processes. Through engaging examples and research findings, Kahneman challenges our assumptions about rationality and provides valuable insights into human behavior. Thinking, Fast and Slow is a thought-provoking and enlightening book that has had a significant impact on fields such as psychology, economics, and decision-making.