Complex sentence: He was the author of two dozen books on politics, philosophy, history, and urban affairs as well as ecology among which the most important were "Our Synthetic Environment", "Post-Scarcity Anarchism" and'.
Split into simpler sentences: He was the author of two dozen books covering topics in politics, philosophy, history, urban affairs, and ecology. Among the most important were "Our Synthetic Environment", "Post-Scarcity Anarchism," and'.