The many lives of theoretical physicist Elsie Hannaway have finally caught up with her. By day, she's an adjunct professor. By other day, Elsie offers her services as a fake girlfriend. One day her carefully constructed Elsie-verse comes crashing down. Because the broody older brother of her favorite client, turns out to be the cold-hearted experimental physicist who ruined her mentor's career. From the bestselling author of "The Love Hypothesis".