The discovery of the bruised and battered corpse of English policewoman Moira Grainger results in an unlikely pairing of the two men involved with herâex-husband Colin Grainger and colleague and lover Detective Inspector John Mooreânow searching for the murderer of the woman they both love... Perfect for fans of Cara Hunter, Gillian Flynn, Patricia MacDonald, T.M. Logan, B.A. Paris, Liane Moriarty, Claire Dyer, Celeste Ng, and Shari Lapena, this book was originally published as Dangerous to Know.