Murder leaves scars. Some never fade. In the DCI Walker Crime Thriller Series, a haunted detective hunts killers across the dark heart of Lancashire—each case more personal than the last. From bodies buried in dunes to ritualistic murders in Lancaster Castle, DCI Jonathan Walker must balance justice with redemption while confronting the ghosts of his own past. Praised for its atmosphere, realism, and shocking twists, JJ Richards’ bestselling series has captivated readers worldwide. Fans of JD Kirk, Ian Rankin, and Michael Connelly will love these gritty, emotional police procedurals where every case cuts deeper—and every decision comes with a cost. The DCI Walker Crime Thrillers deliver tense investigations, flawed heroes, and haunting secrets you won’t forget. An Amazon #1 Bestseller with thousands of five-star reviews. Start the series today and discover your next obsession!

The Icehouse: A Lancashire Detective Mystery (DCI Walker Crime Thrillers Book 1)
by JJ Richards
4.1 Stars (1,737 Reviews)

FREE for a limited time

Haunted by his sister’s unsolved murder, DCI Jonathan Walker is called to a brutal killing in a quiet Lancashire village. When the case bears the same twisted signature, it becomes personal. As more victims fall, Walker must face his past before the killer strikes again.

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The Pike: A Lancashire Detective Mystery (DCI Walker Crime Thrillers Book 2)
by JJ Richards
4.3 Stars (1,193 Reviews)

A young woman is found dead at Rivington Pike. What looks like a party gone wrong soon unravels into a series of brutal attacks across Lancashire. As more victims fall, DCI Walker races to stop a predator who’s far closer to home than he ever imagined.

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The Tower: A Lancashire Detective Mystery (DCI Walker Crime Thrillers Book 3)
by JJ Richards
4.2 Stars (696 Reviews)

When the Head Clown at Blackpool Tower Circus is found dead, DCI Walker faces a killer with a twisted mission: to make people “be kinder.” As copycats rise and chaos engulfs the seaside town, Walker must stop The Defender before kindness turns deadly.

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The Dunes: A Lancashire Detective Mystery (DCI Walker Crime Thrillers Book 4)
by JJ Richards
4.4 Stars (517 Reviews)

When a young woman’s body is found buried in the Lytham St Annes dunes, DCI Walker uncovers links to powerful figures—and a killer who won’t stop. As more victims emerge, Walker’s team must go undercover to catch a murderer before the sands hide another secret.

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The Castle: A Lancashire Detective Mystery (DCI Walker Crime Thrillers Book 5)
by JJ Richards
4.4 Stars (115 Reviews)

When a body is found on display in Lancaster, DCI Walker faces his most baffling case yet. Clues point to the city’s oldest institutions—and a killer obsessed with history. As secrets unravel, Walker must solve the riddle before the past claims another life.

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