A Matter of Logistics: (Volume 1)

They overpopulated and polluted their home world before their sputtering on-again off-again space program finally took hold. They explored their local system and then developed near-light-speed drives, which opened relatively near worlds they could settle straight out or engineer into livable ecologies. The "relative" was the difficulty in a relativistic universe. Deep-space crews lived by a different clock and outlived planet-bound dynasties, becoming an advantaged culture that asserted, a...