To Change All Worlds: Critical Theory from Marx to Marcuse by Carl R. Trueman is an accessible introduction to the history and development of critical theory. From Hegel and Marx, to Korsch and Lukács, to the Frankfurt School, to Wilhelm Reich and Herbert Marcuse—Trueman focuses on the key figures of critical theory, positioning them within their historical context and tracing the development of critical theory through its various movements, evolutions, nuances, and consequences.