'Be prepared, once you start reading, it's hard to put down.' NetGalley Reviewer, ***** Follow the ups and downs of the working girls on the streets of Manchester – as they navigate ruthless pimps, passionate love affairs, intimidating gangs, and heart-racing revenge – with the gritty gangland thrillers from Heather Burnside. Collected in a single volume for the first time, this is the five novels in the Working Girls series: THE MARK RUBY CRYSTAL AMBER SAPPHIRE 'I love this series and how all the books merge in places around the girls.' NetGalley Reviewer, ***** 'Heather Burnside's addictive narrative and dialogue and some truly heartfelt and authentic storytelling, held me in angry thrall from the very first, to the very final word.' fiction-books, *****