Quick link to purchase from Amazon if you’ve not read it yet. (I am not on commission.)
For clarity, the five are:
1 A Lily of the Field – John Lawton
2 Icelight – Aly Monroe
3 Triple Crossing – Sebastian Rotella
4 Before I Go To Sleep – S J Watson
5 Next of Kin – David Hosp
Photograph (with thanks to @Whyjay99) as this is not online yet.