Chapter 1 is the most important chapter in Capital, as well as the most difficult and the most controversial. An influential interpretation of Chapter 1 in recent decades has been the so-called âvalue-form interpretationâ of Marxâs theory in general and Chapter 1 in particular. The most important proponent of the value-form interpretation today, both in Germany and in the English-speaking world, is Michael Heinrich, and Heinrichâs work has emphasized the first chapter. Heinrichâs latest book in English is a detailed commentary of the first seven chapters of Volume 1 of Capital. The publication of an English translation of Heinrichâs book is an important event in Marxian scholarship and it is important to critically engage with this important book in order to advance our understanding of this critical foundational chapter. This book emphasizes the quantitative issue of whether the magnitude of value and socially necessary labour-timeare determined in production or also depend on exchange and demand, which has been the main issue in the controversy over the value-form interpretation.