EW can exclusively introduce the minds (yes, plural) behind the debut written under the pseudonym E.G.
Scott: Liz Keenan, a publishing-industry veteran, and Greg Wands, a screenwriter.
We learn in unreliable first-person chapters that two young women go missing, and dead bodies later pile up.

Credit: Penguin
The mystery throws these bitter spouses back together.
Womanresembles past smashes likeThe Girl on the TrainandThe Woman in the Window.
Keenan used her 18 years of experience helping authors and reaching readers.
Being on the other side now is a bit ofAlice Through the Looking Glass, she says.
Both authors are thriller junkies; they volleyed chapters back and forth, each taking on a POV.
Each chapter is in direct response to the one before, and throwing potential twists at each other.
That really was fun, Wands says.
Adds Keenan: The aim to shock and surprise with each chapter was very motivating.
We got a little aggressive.
Blumhouse has acquired rights to the novel, planning to turn it into a major series.
When you finishThe Woman Inside, chances are you will be too.