The Castle: A Lancashire Detective Mystery

A body on display.

A message written in blood.

And a puzzle that defies logic.


DCI Jonathan Walker thought he’d seen it all—until a case in Lancaster forces him to read old crimes anew. When baffling clues surface in the city’s oldest institutions, Walker must navigate a web of secrets, public fury, and a riddle that won’t stay solved. Every answer seems to raise more questions, and the closer he gets, the more the stakes tighten.


When the hunt begins, you'd better be on the right side.


Atmospheric, propulsive and quietly unsettling, The Castle is a masterful police procedural that blends meticulous detective work with a slow-burn mystery. Perfect for readers who love tense, character-driven thrillers where history casts a long shadow.


Fans of Ian Rankin, Ann Cleeves, Michael Connelly, and LJ Ross will devour this one.


Step into Lancaster’s dark heart. But beware what you might uncover.


The Castle is the fifth book in the DCI Walker series - although it can be listened to as a standalone.


Order your copy NOW and get into this page-turning, unputdownable series!