“A poignant story that explores the repercussions of humanity’s search for perfection, ” from the Hugo Award–winning author of Marrow (Library Journal).   With a perfect memory and hyper-acute senses, Ryder is the leader of a group of five children, all highly specialized thanks to the genetic engineering pioneered by Dr. Aaron Florida—scientist, philanthropist, and genius.   They represent a new generation of genetically tailored individuals, created to help build a brighter future. But some effects of Dr. Florida’s work were unforeseen—and these children will soon discover the shocking truth about the new world they stand to inherit . . .   “Very similar to some of the better works of John Varley.” —Science Fiction Chronicle