Nicholas Mosley's Whitbread Award-winning novel "Hopeful Monsters" dealt with the suggestion that if human nature could not be improved by scientific manipulation, perhaps a suitable environment or soil might nonetheless be prepared into which an appropriate seed for change might fall, and not be smothered by weeds. In "Metamorphosis," a humanitarian worker and a journalist in a vast refugee camp in East Africa come across a newborn child who for some inexplicable reason gives them the impression that it might be just such a seed. But why? And what to do about it?