We are constantly making decisions. from everyday choices like whether to carry an umbrella, to complex issues involving risk, strategy, and long-term planning.

This Very Short Introduction explains how we make choices, exploring how we process information, learn from experience, and sometimes fail to make the 'right' decisions. Drawing on psychology, economics, neuroscience, and artificial intelligence to reveal the hidden mechanisms of decision-making, it offers a guide to how we decide—and how we might do it better.