The butterfly effect : a novel

"Is there such a thing as an anti-social butterfly? If there were, Greta Oto would know about it--and totally relate. An entomologist, Greta far prefers the company of bugs to humans, and that's okay, because people don't seem to like her all that much anyway, with the exception of her twin brother, Danny, though they've recently had a falling out. So when she lands a research gig in the rainforest, she leaves it all behind. But when Greta learn...