There are 3 books in the The DS Taylor Nicks and DC Marcus Black series. The newest book is Demon's Fire which came out in 2019.

1
Devil's Demise

Book cover of Devil's Demise
A cruel and sinister killer is targeting Edinburgh's most powerful women, his twisted sense of superiority driving him to satisfy his depraved sexual appetite. He revels in the pain and suffering he inflicts on his unsuspecting victims but a twist of fate and an overwhelming will to survive by one…
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2
Porcelain

Book cover of Porcelain

Detective Sergeant Taylor Nicks is back and in charge of tracking down a sadistic vigilante, with a penchant for torturing paedophiles, in this unsettling crime thriller by a real-life police sergeant. 

High-powered businessmen are turning up tortured around the city of Edinburgh with one specific thing in common — a…

3
Demon's Fire

Book cover of Demon's Fire

Demon's Fire is the third instalment in the crime thriller series featuring DS Taylor Nicks and DC Marcus Black.

The City had barely settled back to normal when the sky turned orange as flames licked upwards and smoke billowed out from a quiet industrial estate in Edinburgh.

Blood-curdling screams of…