Pt. 1. Two systems. The characters of the story -- Attention and effort -- The lazy controller -- The associative machine -- Cognitive ease -- Norms, surprises, and causes -- A machine for jumping to conclusions -- How judgments happen -- Answering an easier question. pt. 2. Heuristics and biases. The law of small numbers -- Anchors -- The science of availability -- Availability, emotion, and risk -- Tom W's specialty -- Linda : less is more -- Causes trump statistics -- Regression to the mean -- Taming intuitive predictions. pt. 3. Overconfidence. The illusion of understanding -- The illusion of validity -- Intuitions vs. formulas -- Expert intuition : when can we trust it? -- The outside view -- The engine of capitalism. pt. 4. Choices. Bernoulli's errors -- Prospect theory -- The endowment effect -- Bad events -- The fourfold pattern -- Rare events -- Risk policies -- Keeping score -- Reversals -- Frames and reality. pt. 5. Two selves. Two selves -- Life as a story -- Experienced well-being -- Thinking about life.