Here's the tiny bit you can find out about it over on Goodreads:
Scream meets YA in this hotly-anticipated new novel from the bestselling author of Anna and the French Kiss.
One-by-one, the students of Osborne High are dying in a series of gruesome murders, each with increasing and grotesque flair. As the terror grows closer and the hunt intensifies for the killer, the dark secrets among them must finally be confronted.
International bestselling author Stephanie Perkins returns with a fresh take on the classic teen slasher story that’s fun, quick-witted, and completely impossible to put down.
I'm dying to read this, folks. Dying!
There's Someone Inside Your House doesn't hit shelves until September, but the cover went live yesterday along with this piece over at EW about the design. Check it out!