The DCI Walker Collection (Books 4–6)

From an Amazon #1 Bestselling Crime Fiction Series! ?????Over 189,000 copies of the DCI Walker series sold worldwide.Over 7,700 reader ratings averaging 4.3–4.4 out of 5. Three gripping investigations — where the stakes rise, the cases darken, and the truth becomes harder to uncover.Walker has faced killers before. But these cases push him further than ever.Each investigation cuts deeper — exposing secrets, testing loyalties, and forcing impossible decisions.Tense, atmospheric, and relentlessly compelling — these are the cases that change everything.? Three full-length novels in one collection? Over 1,200 pages of dark, immersive crime fiction? The perfect continuation of the bestselling DCI Walker seriesThe deeper you go, the harder it is to stop.-------------------------------------------------------------Book 4: THE DUNESA body buried in the sand.A pattern no one wants to see.A killer who isn’t finished yet.When a young woman’s body is discovered in the dunes of Lytham St Annes, Walker is handed a case already under intense scrutiny.But when more victims are uncovered, it becomes clear the past isn’t buried — and neither is the truth.With pressure mounting, Walker takes a dangerous gamble that risks everything.It’s not a holiday if you don’t come home.“Well-paced, imaginative, and utterly disturbing.” — The Book Commentary ?????-------------------------------------------------------------Book 5: THE CASTLEA body staged for all to see.A message no one can ignore.A mystery that refuses to stay solved.When disturbing clues emerge from Lancaster’s oldest institutions, Walker is drawn into a case steeped in history, secrecy, and public outrage.Every lead raises more questions.Every answer tightens the noose.When the hunt begins, you’d better be on the right side.“A timely and intense detective thriller.” — SRP ????½-------------------------------------------------------------Book 6: THE WETLANDSA body claimed by the landscape.A place where nothing stays still.A truth that refuses to stay hidden.When a man is found dead in the wetlands of rural Lancashire, Walker enters a case where the terrain itself becomes part of the investigation.What begins as routine soon fractures — revealing a disturbing reality shaped by control, obsession, and isolation.In the wetlands, nothing stays hidden forever.Dark, unsettling, and psychologically driven, The Wetlands is a case where certainty slips — and the cost of being wrong is everything.-------------------------------------------------------------These cases stand alone — but together, they reveal how far things can spiral.Perfect for fans of LJ Ross, Ian Rankin, Peter James, Ann Cleeves, and James Patterson. Continue the series — and discover what Walker faces next.