Last and first men, & Star maker

While the two works are independent in plot, reading them in their original publication order is often recommended to better appreciate the author's development of cosmic themes and philosophical scope.

These works function more as speculative future histories or philosophical treatises than as conventional narratives, meaning they lack traditional character arcs, dialogue, and personal adventure tropes.

The author introduced several foundational ideas that later became staples of the genre, including the concept of the Dyson sphere, which was originally inspired by descriptions found in these texts.