By Paul Kengor, Crisis Magazine - “I wanted to let you know about some of our ads that have recently been pulled on Facebook,” wrote my publicist at TAN Books in an email, “including all of our ads for The Devil and Karl Marx.”... That would be my book: The Devil and Karl Marx. It has sold thousands of copies, is being pursued for various foreign translations and film rights, and has over 800 reviews on Amazon... But Facebook has targeted the book.