Reads like a good thriller but also a love story. However, it offers much more than most thrillers or romances, not least because Edie is so honest about her life and feelings, and because of the ending: which still shocks even though Edith Thompson's fate is known.
... Percy rolls away, patting me lightly, as you might pat a child on its bottom, and I know he is embarrassed and possibly shocked. He couldn't fail to have noticed that my response was quite different to usual.