Hugh Fraser will always be adored for playing Poirot's sidekick, Captain Hastings, as well as the Duke of Wellington in Sharpe. His first novel, Harm, introduced us to compelling, complex assassin Rina Walker. The latest in this series, Threat, sees Rina going head to head with Soho gangsters in 1960s London. It’s a tough assignment hitting close to home, and forcing her to confront unspeakable depravity. RADA trained Robert Daws has appeared in Midsomer Murders, New Tricks, Death in Paradise and Father Brown, to give just a few of his screen credits. He co-created and wrote the long running BBC Radio detective series, Trueman and Riley. The Killing Rock, is the third of his Sullivan and Brock novels, set in Gibraltar.