The Breeders Breeders Series, Book 1.

Sixteen-year-old Riley Meemick is one of the world's last free girls. When Riley was born, her mother escaped the Breeders, the group of doctors using cruel experiments to bolster the dwindling human race. Her parents do everything possible to keep her from their clutches-moving from one desolate farm after another to escape the Breeders' long reach. The Breeders control everything and they're hunting Riley. When the local Sheriff abducts the adu...