Mosquitoes don't bite Nala Simiyu. It's part of who she is, like being a half-Kenyan seventh-grader whose mother is in a wheelchair. But when a schoolmate's father--who happens to head up a large drug company--learns of Nala's special power, the excitement begins. After helping out with mosquito research, Nala has the chance to travel to Kenya to investigate mosquitoes' reactions to her father's family. All goes well until a man heartbroken by his...