Book excerpt: Disillusioned ex-cop Simon Brenner decides to take a job as an ambulance driver, in the hopes of getting away from the drudgery and corruption in the police force, and finding a worthy profession.' But the ambulance service he goes to work for has a problem - their major competitors are beating them to every pick-up, somehow listening on their radio communications. And Brenner can't help being just a little bit curious about this chance to do some detective work. Things turn darker as he digs deeper, and it turns out that ambulances are a cutthroat business...'