Robin Perry's life is finally on track with her dream job and a promising relationship with Ben Martin, even if his two spoiled children, Amber and Jaden, hate her. But things take a downhill turn when Gloria Reyes, an acquaintance of Ben's, asks her to admit her young son to a cancer study meant for adults and Robin, heartbroken, must turn her down. But Gloria won't take no for an answer and begins an insidious crusade to force the issue. Amber Martin hates living with her crazy mother since her parents' divorce, but she can hardly live with her dad, who's too busy with "Miss Perfect" these days. When Amber runs into her mother's friend Gloria, she's glad to finally meet an adult who seems to be on her side. But as Amber becomes friends with Gloria's sickly son, Alex, she begins to think Gloria is not as nice as she first thought, and Alex may be in trouble. As Gloria's threatening behavior escalates, Robin must protect the children while finding a...

Tell On You, the story of a married teacher's fatal infatuation with his beautiful 16-year-old student, best fits into the emerging niche genre of "Grip Lit." These novels, usually authored by women and inspired by the wildly successful Gone Girl, are thrillers with psychological nuances and frequently unreliable narrators. Readers love the must-turn-the-page suspense, even while they may dislike the characters. The author of Tell On You is a psychologist, well-acquainted with the dark corners of the heart.