There are 4 books in the Small Spaces Quartet series. The newest book is Empty Smiles which came out in 2022.

1
Small Spaces

Book cover of Small Spaces
New York Times bestselling adult author of The Bear and the Nightingale makes her middle grade debut with a creepy, spellbinding ghost story destined to become a classic.

After suffering a tragic loss, eleven-year-old Ollie only finds solace in books. So when she happens upon a crazed woman at the…
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2
Dead Voices

Book cover of Dead Voices
Having survived sinister scarecrows and the malevolent smiling man in Small Spaces, newly minted best friends Ollie, Coco, and Brian are ready to spend a relaxing winter break skiing together with their parents at Mount Hemlock Resort. But when a snowstorm sets in, causing the power to flicker out and…

3
Dark Waters

Book cover of Dark Waters
An Indie Bestseller!

Filled with chills, New York Times bestselling author Katherine Arden’s latest installment in the creep-tastic Small Spaces Quartet is sure to haunt.

Until next time. That was chilling promise made to Ollie, Coco and Brian after they outsmarted the smiling man at Mount Hemlock Resort. And as…

4
Empty Smiles

Book cover of Empty Smiles
New York Times bestselling author Katherine Arden thrills once again in the finale to the critically acclaimed, bone-chilling quartet that began with Small Spaces.

It’s been three months since Ollie made a daring deal with the smiling man to save those she loved, and then vanished without a trace. The…