A national bestselling author examines one of the mind's most exalted states—one that is crucially important to learning, risk-taking, social cohesiveness, an

With a new Afterword on the current state of the stock market, the ongoing debate over the "new economy," and the larger implications of "irrational exuberance.

Traces the evolution of popular theories of stock market behavior, showing how they have become widely accepted over time and clarifying some of those them.

A Publishers Weekly Best Book One of the New York Public Library's "25 Books to Remember" for 1999 Lavishly illustrated and meticulously researched, filled with

Why the irrational exuberance of investors hasn't disappeared since the financial crisis In this revised, updated, and expanded edition of his New York Times be