A whip-smart psychological thriller from the author of Good as Gone (a New York Times Notable Book), in which a grad student becomes embroiled in a deadly rivalry that changes her into someone unrecognizable to her struggling family, her ambitious academic friends, and even herself Claire "Mac" Woods—a professor enjoying her newfound hot-shot status at an academic conference—finally has the acceptance and admiration she has long craved. But at the conference's hotel bar, Mac is surprised to run into a face from a past she'd rather forget: the moneyed, effortlessly perfect Gwendolyn Whitney, Mac's foil, rival, and former best friend. When Gwen moved to town in high school, Claire—then known as Mac, a poor kid from a troubled family who had too much on her plate—saw what it meant to have. Money, sophistication, culture, the very blueprints to success. Mac had almost nothing, except...