A Room Full of Killers (DCI Matilda Darke 3) by Michael Wood

*Many thanks to the publishers for my Netgalley review copy* About the book: Eight killers. One house. And the almost perfect murder… Feared by the people of Sheffield, Starling House is home to some of Britain’s deadliest teenagers, still too young for prison. Now the building’s latest arrival, Ryan Asher, has been found brutally murdered…