A monthly post looking at what books Abnormal Returns readers purchased at Amazon in the prior month is now a regular post. We also had a big book post that drove a number of sales this month. Nearly 48%, of purchases were of a single copy, so I have omitted them. Below are the books (combined print and Kindle) that our readers purchased and the percentage of sales (rounded) they represented for September 2012:

The Bestsellers

1. The Missing Risk Premium: Why Low Volatility Investing Works by Eric Falkenstein.  (13%)
2. The Signal and the Noise: Why So Many Predictions Fail-but Some Don’t by Nate Silver.  (5%)
3. The Value Investors: Lessons from the World’s Top Fund Managers by Ronald Chan.  (5%)
4. Hedge Fund Market Wizards by Jack Schwager. (4%)
5. The Zeitgeist Investor: Unlocking The Mind of the Market by Tim Richards.  (4%)
6. The New Tycoons: Inside the Trillion Dollar Private Equity Industry That Owns Everything by Jason Kelly.  (3%)
7. Abnormal Returns: Winning Strategies from the Frontlines of the Investment Blogosphere by Tadas Viskanta. (2%)
8. How Children Succeed: Grit, Curiousity and the Hidden Power of Character by Paul Tough.  (2%)

The Rest

1. Expected Returns: An Investor’s Guide to Harvesting Market Rewards by Antti Ilmanen. (1%)
2. The Crisis of Crowding: Quant Copycats, Ugly Models, and the New Crash Normal by Ludwig B. Chincarini. (1%)
3. The Little Book of Behavioral Investing: How not to be your own worst enemy by James Montier.  (1%)
4. The Myth of the Rational Market: A History of Risk, Reward, and Delusion on Wall Street by Justin Fox.  (1%)
5. Unaccountable: What Hospitals Won’t Tell You and How Transparency Can Revolutionize Health Care by Marty Makary.  (1%)
6. The Clash of the Cultures: Investment vs. Speculation by John Bogle.  (1%)
7. Dark Pools: High-Speed Traders, A.I. Bandits, and the Threat to the Global Financial System by Scott Patterson.  (1%)
8. The Payoff: Why Wall Street Always Wins by Jeff Connaughton.  (1%)
9. Thinking Fast and Slow by Daniel Kahneman.  (1%)
10. Unconventional Success: A Fundamental Approach to Personal Investment by David Swensen.  (1%)
11. Wait: The Art and Science of Delay by Frank Partnoy.  (1%)

Thanks again to everyone who purchased a copy of my book or any other book (or item) during the month. Did you find something interesting to read this month? If so, leave a comment to give every one a head’s up.