Book Details:
Author: Sloane Mercer
Release Date: 2 October 2025Series:
Genre: Psychological Thriller, Political Thriller, Terrorism/Espionage Thriller, Literary Suspense, International Intrigue
Format: E-book
Pages: 193 pages
Publisher: AMEE Publishing
Blurb:
Everyone’s the hero in their story. Even the monsters.
Jake Rossi, a Capitol crewman trying to rebuild his life, isn’t looking for meaning — just a paycheck, a place to belong, maybe someone to talk to. Then he meets Emily, a reserved Belgian chocolatier with a scar on her collarbone and eyes that never blink. Her silence is magnetic. Her past, untouchable.
But the closer Jake gets, the more off-kilter things begin to feel. Curiosity twists into obsession. Obsession curdles into fear. Is Emily a survivor haunted by shadows, or the shadow itself? Every answer Jake uncovers only deepens the riddle, and every step closer drags him toward a truth too dangerous to name.
By the time the city gathers under banners and floodlights, it may already be too late.
For readers of dark, atmospheric, slow-burning psychological thrillers with flawed heroes and razor-wire tension, Catalyst will keep you turning pages deep into the night.
Review
Catalyst by Sloane Mercer is the kind of slow-burning psychological thriller that creeps under your skin rather than rushing to shock you. Sloane Mercer’s writing carries that rare balance of elegance and unease, drawing you in with the intimacy of character before you even realize you’re standing at the edge of something dark.
The brilliance of this story lies in its tension, not the loud, cinematic kind, but the quiet, suffocating kind that makes you second-guess what’s real. As Jake’s fascination with Emily deepens, the novel turns into an exploration of obsession, perception, and the fragility of sanity. Mercer’s prose is clean and deliberate, every sentence calibrated to tighten the thread of unease. You start to feel as though you’re peering through a fog, seeing outlines of truth but never the whole picture. And that’s precisely what makes Catalyst addictive; it’s less about solving a mystery and more about descending into it.
Jake is written with a refreshing honesty. He is flawed, lonely, and relatable. He’s not a classic hero; he’s someone doing his best to survive the static of his own mind. Emily, on the other hand, is mesmerizing; part riddle, part mirror , and Mercer wisely resists defining her too soon. Through their fractured connection, the book asks a chilling question: what happens when our need to understand someone else exposes the darkness in ourselves? By the time the truth begins to surface, you realize Catalyst isn’t just about the main character, but about the stories we tell to justify the monsters we become.
Catalyst is atmospheric, introspective, and razor-sharp. It’s a dark psychological thriller that trades jump scares for slow, emotional corrosion. It is perfect for readers who loved Gone Girl or You, and crave stories that linger long after the last page.
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