In "Priceless," William Poundstone embarks on a fascinating journey into the hidden psychology of value, revealing how our perceptions of price shape the very fabric of our economy and our lives. Through a series of engaging narratives and thought-provoking experiments, Poundstone unravels the complex forces behind what we consider valuable, challenging our assumptions about price, worth, and decision-making. With wit and insight, he explores the mechanisms marketers and retailers use to manipulate our spending, exposing the often invisible influence that price exerts on everything from our shopping habits to our sense of self-worth. Drawing on cutting-edge research in behavioral economics and psychology, "Priceless" offers a compelling look at the irrational ways in which we assess value, make choices, and conduct our daily transactions. Poundstone masterfully demonstrates that understanding the psychology of price can not only illuminate the mysteries of consumer behavior but also provide a lens through which to view the workings of the entire economic system. This book is an essential read for anyone curious about the subtle and powerful ways that price influences our actions, our society, and the world at large.