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Beneath

A Novel

Hardcover
$30.00 US
6-1/8"W x 9-1/4"H | 26 oz | 12 per carton
On sale Mar 24, 2026 | 464 Pages | 9798217091027

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Hundreds of years before the Illum ruled supreme, humanity risked everything to rebuild after a devastating war in this explosive dystopian romance and prequel to Conform.

Twenty-three-year-old Sasha Cadell knows time is running out in the underground city, filled with survivors of the nuclear fallout six years ago. She works in the Expansion Sector, trying to escape the memories of those she lost. Her bleak existence is upended when Tristian Hayes, a stunningly handsome, frustratingly determined commander of the Force, recruits her to join him and his elite team of soldiers as they embark on a secret mission to the surface.

Sasha is thrust into brutal training with stakes far beyond mere survival. The fate of the remaining humankind depends on their success—or failure. As she confronts her own demons, Sasha finds both allies and foes in the training program, as well as a sizzling attraction between her and Tristian that threatens the walls she’s built around her heart.

But under the surface, secrets and deception run as rampant as illnesses. And not everyone will survive the rise of a power more terrifying than anything they’ve ever known.
Ariel Sullivan is the author of Conform and Beneath. She lives in Connecticut with her husband, two sons, and their two French bulldogs. Growing up a military brat, Ariel moved every two years as a perpetual new kid; Ariel often observed from the outskirts, where a deep love of reading was born. When she isn’t writing, Ariel loves to read everything from poetry to psychology, bake with her sons, listen to live music, and travel. View titles by Ariel Sullivan

About

Hundreds of years before the Illum ruled supreme, humanity risked everything to rebuild after a devastating war in this explosive dystopian romance and prequel to Conform.

Twenty-three-year-old Sasha Cadell knows time is running out in the underground city, filled with survivors of the nuclear fallout six years ago. She works in the Expansion Sector, trying to escape the memories of those she lost. Her bleak existence is upended when Tristian Hayes, a stunningly handsome, frustratingly determined commander of the Force, recruits her to join him and his elite team of soldiers as they embark on a secret mission to the surface.

Sasha is thrust into brutal training with stakes far beyond mere survival. The fate of the remaining humankind depends on their success—or failure. As she confronts her own demons, Sasha finds both allies and foes in the training program, as well as a sizzling attraction between her and Tristian that threatens the walls she’s built around her heart.

But under the surface, secrets and deception run as rampant as illnesses. And not everyone will survive the rise of a power more terrifying than anything they’ve ever known.

Author

Ariel Sullivan is the author of Conform and Beneath. She lives in Connecticut with her husband, two sons, and their two French bulldogs. Growing up a military brat, Ariel moved every two years as a perpetual new kid; Ariel often observed from the outskirts, where a deep love of reading was born. When she isn’t writing, Ariel loves to read everything from poetry to psychology, bake with her sons, listen to live music, and travel. View titles by Ariel Sullivan

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