He is the author of the bestselling book Deep Value: Why Activists Investors and Other Contrarians Battle for Control of Losing Corporations (2014, Wiley Finance). He is a coauthor of Concentrated Investing: Strategies of the World’s Greatest Concentrated Value Investors (2016, Wiley Finance) and Quantitative Value: A Practitioner’s Guide to Automating Intelligent Investment and Eliminating Behavioral Errors (2012, Wiley Finance).