Bill James 
Top Banana [EPUB ebook] 

Thirteen-year-old Mandy Walsh has been gunned down in the street, caught in the crossfire between rival drug gangs. For Chief Constable Lane there is only one option – infiltrate the drug syndicates and rid his patch of this menace. Unfortunately, Assistant Chief Constable Desmond Iles has a better idea: let the gangland police itself in return for a few 'favours’. As his superiors battle it out, Detective Chief Superintendent takes a closer look at Mandy’s death. He learns the bullets that killed her were not fired by the warring gang. There was, it seems, a third gunman targeting Mandy… 'Comes off the page like electricity’ Sunday Times