A murder with no weapon or motive. A detective on edge. A community that wants answers. Impurity is the first in a series of six books featuring Leeds based Detective Inspector Stewart Gardener. One fateful night, DI Stewart Gardener intervenes in a street brawl, and his wife is shot dead. Finding his wife’s murderer is never far from his mind, but with no leads and a hazy recollection of events, it seems hopeless. Soon he is presented with a shocking case. A man is found dead in a grubby apartment, and It is not long before another man meets the same fate.

Out walking near the rain-swelled river running past her small Welsh town, she comes across the body of Amber Morgan. Fabia’s police training tells her instantly that the death is the result of foul play. But no longer in the force, all she can do is call it in. Yet she has mixed feelings when she discovers it is her former colleague, Matt Lambert, newly promoted to chief inspector, who will head the investigation into the girl’s death.  

A killer stalks the streets of London, murdering the richest people in the capital. Is this the work of a serial killer, or just someone angry with the super rich? Or is there another reason why billionaires are being killed every three days? Detective Inspector Simon Wise, reeling from the death of his partner and harbouring more than a few secrets of his own, is assigned to the case. But the killer leaves no clues as to their identity, only bodies in their wake, and each new death sends Wise's team in startling new directions.

A woman has been murdered and mutilated in her own home, with her liver cut out and a message left within it. Tasked with leading the case, DI Tudor Manx identifies several suspects, including the victim’s estranged husband. But all trails run cold. Then, another victim dies—and from the modus operandi. It seems that North Wales Police are dealing with a serial killer. But who would target the inhabitants of such a peaceful island?

Former detective sergeant Norman Norman’s retirement is boring him to tears. So when he’s asked to assist an upcoming female DI and mentor a new team of misfits in a sleepy Welsh coastal town, he jumps at the opportunity. But the training has barely begun when a woman’s corpse washes up on the sand. With no reports of missing persons, DS Norman is stumped...until the post-mortem reveals a shocking hint to the culprit being local. But with a growing list of suspects who all have alibis, the experienced cop and his fledgling team’s first case could be their last.