Secret smile (Penguin Books)

Secret Smile is a gripping psychological thriller from the Top Ten bestselling author, Nicci French You have an affair. You finish it. You think it's over. You're dead wrong...Miranda Cotton thinks she's put boyfriend Brendan out of her life for good. But two weeks later, he's intimately involved with her sister. Soon what began as an embarrassment becomes threatening - then even more terrifying than a girl's worst nightmare. Because this time Brendan will stop at nothing to be part of Miranda's life - even if it means taking it from her...Praise for Nicci French: "Creepy, genuinely gripping". (Heat). Nicci French is the pseudonym for Nicci Gerrard and Sean French. The couple live in Suffolk and have written thirteen other bestselling novels, all published by Penguin: Complicit, What to Do When Someone Dies, Until It's Over, Losing You, Catch Me When I Fall, The Memory Game, Beneath the Skin, The Safe House, The Red Room, Land of the Living, Killing Me Softly and, most recently, Blue Monday and Tuesday's Gone in the brilliant new Frieda Klein series.