It might be a little artificial to identify a sub-genre just from book titles. But with the success of books like Gone Girl and The Girl on the Train, there is definitely a trend emerging for domestic thrillers with the word “Girl” in the title. The presence of the word in the title does not denote the often cosy romantic worlds of chick-lit but a harsher, page turning reality. They are usually narrated (at least partially) by a woman (or the ‘Girl’ of the title), that narration is often suspect to the point of being completely unreliable, and there are violent or abusive men but it is often hard to tell who is the manipulator and who is the manipulated. Part of the pleasure of these thrillers is the constantly shifting power dynamics (even if the nature of the narrative is often that it is only the reader’s perception of these dynamics that is actually shifting). Into this mix comes a potentially big novel for 2017 – The Girl Before. The Girl Before ticks all of the Girl book boxes in spades. It has two unreliable female narrators, a supporting cast of abusive and potentially violent men and plenty of domestic thrills….