Marcello Musto is Professor of Sociology at York University, Toronto, Canada. He is author of Another Marx: Early Manuscripts to the International (2018), and The Last Years of Karl Marx: An Intellectual Biography (2020). Among his edited books there are The Marx Revival: Key Concepts and New Interpretations (2020), and Karl Marx's Writings on Alienation (2021). His writings - available at www.marcellomusto.org - have been published worldwide in more than twenty languages.