Obsession by Amanda Robson.
The Blurb One evening, a wife asks her husband a question: who else would you go for, if you could? It is a simple question – a little game – that will destroy her life. Carly and Rob are a perfect couple. They share happy lives with their children and their close friends Craig and Jenny. They’re lucky. But beneath the surface, no relationship is simple: can another woman’s husband and another man’s wife ever just be good friends? Little by little, Carly’s question sends her
Rattle: (The Bone Collector, #1) by Fiona Cummins.
The Blurb A psychopath more frightening than Hannibal Lecter. He has planned well. He leads two lives. In one he's just like anyone else. But in the other he is the caretaker of his family's macabre museum. Now the time has come to add to his collection. He is ready to feed his obsession, and he is on the hunt. Jakey Frith and Clara Foyle have something in common. They have what he needs. What begins is a terrifying cat-and-mouse game between the sinister collector, J