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DCI Walker Crime Thrillers #5
The Castle: A Lancashire Detective Mystery
From an Amazon NUMBER ONE International Bestselling series! 📚🥇
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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.
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Fans of Ian Rankin, JD Kirk, Matt Brolly, Patricia Gibney 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 — it can be read as a standalone.
Order your copy NOW and get into this page-turning, unputdownable series!
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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, JD Kirk, Matt Brolly, Patricia Gibney 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 — it can be read as a standalone.
Order your copy NOW and get into this page-turning, unputdownable series!
303 pages, Kindle Edition
Published October 7, 2025
46 people are currently reading
14 people want to read
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Displaying 1 - 3 of 3 reviews
October 11, 2025
The Castle by JJ Richards is book 5 in the DCI Jonathon Walker Lancashire police series. This time the crime is set in Lancaster with a body on display that defies logic.The murders mount up but the puzzle is waiting to be solved. This is a murder scene based on the witches trial in 1612 and numbers and puzzles need to be so solved before everything is made clear and all deaths are accounted for.
A creepy, unnerving and unsettling story about the Lancashire witches but based on murders in the present day.
Highly recommended
A creepy, unnerving and unsettling story about the Lancashire witches but based on murders in the present day.
Highly recommended
November 13, 2025
Loved this, another great book featuring DCI Walker, this time with his team investigating a series of murders linked to witch trials over 400 years earlier.
Great plot, good pace and well developed characters. What more could you want!
Great plot, good pace and well developed characters. What more could you want!
October 16, 2025
A body is found hanging from the Lancaster Castle walls. Now DCI Walker and his team have a murder and a puzzle to solve. Will they do so before the next death.
An entertaining modern mystery
An entertaining modern mystery
Displaying 1 - 3 of 3 reviews