The market has been awash with "girl" thrillers and mysteries in the wake of _Gone Girl_ (don't even get me started on how much I despise adult women being referred to as "girl").
Along with the wave of girls (gone, on a train, tattooed, or other), I've noticed a rise in what I see a sort of hybrid -- books that have elements (sometimes very strong elements) of either mystery or suspense, but which have a co-equal emphasis on the inner journey of the protagonist. These are often marketed as "women's fiction" (why is fiction with a male protagonist simply "fiction"? again, don't get me started). Liane Moriarty and Beatriz Williams are two that come to mind.
Although I normally write mysteries and thrillers, my latest project falls along this hybrid spectrum. Assuming the novel ends up with wings and fur in roughly equal measure, how does one query a bat? Suspenseful women's fiction? An emotional journey wrapped up in a mystery? Do I point to comp titles? What about just weeping? Would weeping work? Scratch that, we already know that sharks are unmoved by tears.
It's called domestic suspense and it's just Mary Stewart in the the new fall fashions.
Haven't read Mary Stewart? Start with my favorite The Gabriel Hounds, and then Airs Above the Ground.
Mary Stewart's books used to be called romantic suspense.
Romantic suspense required a strong romantic element. Domestic suspense doesn't.
If you're querying domestic suspense you can certainly include comp titles. Liane Moriarty is a good place to start. Make sure you've read her work before you use it as a comp (as in don't just watch the TV show.)
I love Liane Moriarty's novels so I'm actively looking for domestic suspense. Don't tell Jack Reacher though.