The Mercer Files: What Lingers Paperback – March 26, 2026

DC Rowan Mercer has spent years outrunning the shadows of Sheffield - but some things refuse to stay buried. When a body is discovered in an abandoned riverside warehouse, Mercer and his team are pulled into a case that twists between the living and the lingering.What begins as a routine investigation quickly fractures into something far stranger. Witnesses vanish. Evidence shifts. And Mercer finds himself confronting a presence that seems to know him far too well.As the city's past bleeds into its present, Mercer must navigate unreliable truths, fractured memories, and a threat that moves in ways no human suspect ever could.Every clue leads him deeper into a darkness that feels personal - and impossibly familiar.In a world where the dead don't always stay silent, Mercer must decide how much of himself he's willing to lose to uncover the truth.The Mercer Files: What Lingers is a tense, atmospheric crime-supernatural thriller rooted in the grit of Sheffield and the fragile line between reality and the unseen. Read more