There was more turnover in this month’s list of top purchased books by Abnormal Returns readers. DIY Financial Advisor and Superforecasting quickly took over the top spots. For more book ideas you can check out our post compiling our many book links as well as last month’s top selling list. We present sales two ways: the first is by unit sales and the second way is by revenue which can be notably different. Here are the books (combined print and Kindle* that Abnormal Returns readers purchased at Amazon during September 2015:

The Top 10 (by Unit Sales)

1. DIY Financial Advisor: A Simple Solution to Build and Protect Your Wealth by Wesley R. Gray, Jack R. Vogel, and David P. Foulke
2. Superforecasting: The Art and Science of Prediction by Philip Tetlock and Daniel Gardner
3. Charlie Munger: The Complete Investor by Tren Griffin
4. A Wealth of Common Sense: Why Simplicity Trumps Complexity in Any Investment Plan by Ben Carlson
5. How Not to Be Wrong: The Power of Mathematical Thinking by Jordan Ellenberg
6. Misbehaving: The Making of Behavioral Economics by Richard Thaler
7. The Martian: A Novel by Andy Weir
8. Trading Psychology 2.0: From Best Practices to Best Processes by Brett Steenbarger
9. Getting There: A Book of Mentors by Gillian Zoe Segal
10. SuperBetter: A Revolutionary Approach to Getting Stronger, Happier, Braver and More Resilient–Powered by the Science of Games by Jane McGonigal

The Top 10 (by Revenue)

1. DIY Financial Advisor: A Simple Solution to Build and Protect Your Wealth by Wesley R. Gray, Jack R. Vogel, and David P. Foulke
2. Superforecasting: The Art and Science of Prediction by Philip Tetlock and Daniel Gardner
3. Charlie Munger: The Complete Investor by Tren Griffin
4. Trading Psychology 2.0: From Best Practices to Best Processes by Brett Steenbarger
5. A Wealth of Common Sense: Why Simplicity Trumps Complexity in Any Investment Plan by Ben Carlson
6. Poor Charlie’s Almanack: The Wit and Wisdom of Charles T. Munger by Peter Kaufman
7. The Most Dangerous Trade: How Short Sellers Uncover Fraud, Keep Markets Honest, and Make and Lose Billions by Richard Teitelbaum
8. Misbehaving: The Making of Behavioral Economics by Richard Thaler
9. SuperBetter: A Revolutionary Approach to Getting Stronger, Happier, Braver and More Resilient–Powered by the Science of Games by Jane McGonigal
10. Getting There: A Book of Mentors by Gillian Zoe Segal

Thanks again to everyone who purchased a copy of my book or any other book (or item) during the month. Keep an eye on this space for more book news.

*We also wanted to note that readers also purchased a slew of the new sub-$50 Kindle Fire tablets as well. If you buy 5 you get the 6th free.