Sweetpea novels

"I haven't killed anyone for three years, and I thought that when it happened again I'd feel bad. Like an alcoholic taking a sip of whiskey. But no. Nothing. I had a blissful night's sleep. Didn't wake up at all. And for once, no bad dream either. This morning I feel balanced. Almost sane, for once. Rhiannon is your average girl next door, settled with her boyfriend and little dog...but she's got a killer secret. Although her childhood was haunted...