A schoolyard stabbing sends wingbeats echoing from the past. One shocking event. Two teachers risk their careers to help a boy who has nothing. Three worlds intersect and collide.The best way to avoid trouble, thinks Ayisha Emmanuelle, is to avoid confrontation. As an inner-city schoolteacher, she does a whole lot of avoidance.14-year-old Shamayal Thomas trusts no one. Not the family, not the gang...