Citadel: First Colony by J. Kevin Tumlinson
Approx. 97,790 words.
Published on February 22, 2012.
After fifty years of war, humans and the plant-like Esool have made peace. Both species have agreed to use the Lightrail, a relativistic miracle, to travel to distant worlds and explore the resources and wonders of the universe. But the peace is still new, and not everyone is onboard