It was released in December 2006 and spent three months on The New York Times list of "Hardcover business bestsellers" .

The book claims investing should be treated as a science, not a craft, and details a methodology for testing beliefs and uncovering information not widely known or understood.

The book’s scientific method consists of asking three questions: The first question addresses common investing errors, the second shows how to try to find bettable patterns which others may misinterpret, and the third deals with behavioral finance, pointing out cognitive errors such as overconfidence and confirmation bias.

Book reviews have appeared in the Financial Times, which stated "you get the impression that its author, Ken Fisher, does not often find himself short of things to say.

"[3] Forbes Magazine which said "Fisher's key insight is that investment is not a craft that can be mastered by merely accumulating information.