Really excellent, rigorous, comprehensive, and accessible overview of Marx’s conception of society as it is presented in the Grundrisse. Really dispels a lot of misinformation and myths about Marxism (eg that it is economistic), while also rendering Marx’s underlying conceptual framework and methodology accessible for those seeking to develop it (particularly in feminist and anti-racist directions in my case).
If you want an brief and accessible introduction to Marx’s thought (not an intro to socialism/capitalism per se, but to Marx as a social theorist), this is an excellent place to start.