Instruct: Classify Amazon reviews into positive or negative sentiment
Query: 4 stars only because a bit dated

A must read for anyone who has begun to question the received knowledge about investing and the stock market (efficient market, 12% long range growth rate, etc.) A reality check for anyone who has believed the results of an online calculator from practically any popular "individual investor" web site and been confident their portfolio will last 30 years at a 7%-up withdrawal rate, and similar fables dished out by the popular press during the tech/Internet boom that just busted.Fascinating book, sounds prophetic in places in light of current economic/market conditions.