This is very nearly a classic first contact novel, except that the first contactEEs and the first contactERs are both human . . . or are they?
"Everything about the planet revolving around Sigma Dracois seemed to indicate that it was an unhabited paradise. But what, then, was so troubling to the pioneer colony?"
What does it really mean to be human?
Everything about the planet revoling around Sigma Draconis seemed to indicate that it was an uninhabited paradise. But what then was so troubling to the pioneer colony? Was it really possible to simply duplicate Earth on any vacant world? Or was there a lot more to planetary ecology than humanity realized.