As an author, Moriarty gets to do what she wishes she could do in her real life: Find out everything. "I always wish I could get into everybody's brains and just take out all their secrets," she says.

It’s Liane Moriarty’s world. We’re just reading in it. In “Here One Moment,” Moriarty’s 10th novel, the Australian author once again sends her characters into existential chaos.