You leave your kids with a friend down the street. Everyone does it. Until the day it goes wrong. TAKE NOTHING FOR GRANTED. . . . In a quiet London suburb, a group of mothers relies on each other for friendship, favors, and gossip. But some of them shouldn't be trusted, and others have dark secrets. When Callie moved into her new neighborhood, she thought it would be easy to fit in. The other parents have been strangely hostile, though, and her frail...