Leisha Camden is a genetically engineered “Sleepless” whose ability to stay awake all the time has made her more productive. Genetic modifications have also given the “Sleepless” a higher IQ and may even make them immortal. But will they be hunted down as freaks by a world that has grown wary of its newest creation?
"That Leviathan, Whom Thou Hast Made" won the 2010 Nebula Award for Best Novelette and was nominated for the Hugo Award in the same category.
Harry Malan is the president of a Mormon branch on Sol Central Station, where humans can interact with "swales" -- giant star-dwelling plasma beings. When a Mormon swale asks for help, Harry ends up confronting Leviathan, the largest of the swales.