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From an Amazon #1 International Bestselling series! 📚🥇
Over a quarter of a million series copies sold.
10,000+ series ratings across all platforms – averaging 4.4 out of 5. ⭐⭐⭐⭐⭐
A series that has previously reached #1 in the Amazon Kindle Free Charts (United States, Canada and the United Kingdom), and ranked #1 in multiple paid Kindle crime fiction categories.
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THE CASTLE:
"A timely and intense detective thriller" — SRP Editorial Review
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.
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.
Step into the dark heart of Lancaster. But beware what you might uncover.
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🎧 Add the audiobook at a reduced price with Amazon Whispersync — just tick the ‘Add audiobook’ box under Buy Now. Read or listen anytime — it always picks up exactly where you left off, or follow along as it’s narrated.
What readers are saying
‘A riveting thriller’
‘Highly recommended’
‘Difficult to put down’
‘This is a stunning story’
‘Brilliant series!’
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Fans of Ann Cleeves, Peter James, LJ Ross, Rachel McLean and Wes Markin will devour this one.
The Castle is the fifth book in the DCI Walker Crime Thrillers, a bestselling British detective series set across Lancashire and the North West of England.
Available in e-book,paperback and audiobook.
Each book can be read as a standalone case, but the full story is best enjoyed in order.
👉 Stay with Walker as the investigation reaches its most unsettling turn yet.
Genre: Mystery
Over a quarter of a million series copies sold.
10,000+ series ratings across all platforms – averaging 4.4 out of 5. ⭐⭐⭐⭐⭐
A series that has previously reached #1 in the Amazon Kindle Free Charts (United States, Canada and the United Kingdom), and ranked #1 in multiple paid Kindle crime fiction categories.
-------------------------------------------------------------------
THE CASTLE:
"A timely and intense detective thriller" — SRP Editorial Review
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.
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.
Step into the dark heart of Lancaster. But beware what you might uncover.
-------------------------------------------------------------------
🎧 Add the audiobook at a reduced price with Amazon Whispersync — just tick the ‘Add audiobook’ box under Buy Now. Read or listen anytime — it always picks up exactly where you left off, or follow along as it’s narrated.
What readers are saying
‘A riveting thriller’
‘Highly recommended’
‘Difficult to put down’
‘This is a stunning story’
‘Brilliant series!’
-------------------------------------------------------------------
Fans of Ann Cleeves, Peter James, LJ Ross, Rachel McLean and Wes Markin will devour this one.
The Castle is the fifth book in the DCI Walker Crime Thrillers, a bestselling British detective series set across Lancashire and the North West of England.
Available in e-book,paperback and audiobook.
Each book can be read as a standalone case, but the full story is best enjoyed in order.
👉 Stay with Walker as the investigation reaches its most unsettling turn yet.
Genre: Mystery
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