Is Marx’s Theory of Profit Right provides a revealing insight into the way in which the debate between leading TSSI proponents and some of their principal critics has been conducted since the start of this century…. The collection will most likely leave the reader quite impressed with the serious attitude of its TSSI-adherent editors, Nick Potts and Andrew Kliman, for republishing their opponents’ articles, allowing the reader to accurately form her or his own opinion…. Is Marx’s Theory of Profit Right serves two equally important purposes: not only does it allow the skeptical reader to verify with her or his own eyes the utter inability of the TSSI’s critics – thus far – to provide its proponents with an adequate response. It also stands as valuable evidence of the unscholarly and even unscientific methods of some, if not many, in the field of economics. Personally, I stand by one of the closing remarks of Kliman and Freeman in their final article: the debate is over.