Jane Hill's Can't Let Go is very good.
And anything by S J Bolton. Sacrifice, Awakening, Blood Harvest, Now You See Me and Dead Scared. The last two both have DC Lacey Flint as the lead character and each has someone from the first three books pop up, so it helps to read them in order.
They are all very good and I am waiting very impatiently for her next book.
Nicci French is also very good, Sophie Hannah can get a bit absurd in her plots for my liking, but I did like Little Face and Kind of Cruel.
I've just finished Dissappear by Iain Edward Henn on my Kindle and that was very good, about a woman whose husband vanishes and then turns up dead 18 years later, dressed exactly as he was when he left all those years ago and looking like he hasn't aged a single day.
And I second the recommendation for How To Be A Good Wife. I've just started a thread asking if anyone else had read it yet, because I loved it.