Nicci French

"Ellie Falkner's world has been destroyed. Her husband, Greg, died in a car crash--and he wasn't alone. In the passenger seat was the body of Milena Livingstone, a woman Ellie's never heard of. But Ellie refuses to leap to the obvious conclusion, despite the whispers and suspicions of those around her. Maybe it's the grief, but Ellie has to find out who this woman was--and prove Greg wasn't having an affair. And soon she is chillingly certain their...