‘Ambitious, nuanced and brimful of Lake Country atmosphere.’ Kirkus Reviews Discover an unmissable and addictive series of cold-case mysteries from Martin Edwards — one of the most lauded crime writers of his generation. ‘Superb.’ Lee Child ‘A fine writer.’ Ian Rankin ‘A true master.’ Richard Osman ‘A magician.’ Janice Hallett **Shortlisted for the Lakeland Book of the Year!** Ten years ago, troubled Emma Bestwick walked out of her cottage in the sleepy Cumbrian town of Coniston. Never to be seen again. The gossips say she ran away. Like the restless young woman she is. But Detective Hannah Scarlett doesn’t believe that. Never has, never will . . . Now, an anonymous tip-off reveals the chilling Emma is never coming home. Detective Hannah re-opens the case—ready to do whatever it takes to get justice for Emma. Even if that means plumbing the eerie depths of the Arsenic Labyrinth, a maze of abandoned tunnels twisting beneath the fells . . . Discover an utterly addictive, emotionally charged mystery, steeped in all the atmosphere and intrigue of England’s beautiful Lake District. Perfect for fans of Ann Cleeves, Elly Griffiths, P.D. James, Val McDermid and Joy Ellis. **Martin Edwards is the winner of three CWA Dagger Awards, including the prestigious Diamond Dagger — the highest honour in UK crime writing!** MORE PRAISE FOR MARTIN ‘A first-rate complex thriller.’ The Sunday Times ‘Crime fiction is blessed to have Martin Edwards.’ Sarah Weinman, New York Times ‘Beautifully crafted . . . with a delicious twist in the tale.’ ANN CLEEVES ‘A wonderful, absorbing read.’ PETER ROBINSON ‘Atmospheric, haunting and so tactile you can almost smell the moist air.’ Booklist ‘Wonderfully convoluted with more zigs and zags than the labyrinth created decades ago by arsenic miners.’ The Denver Post MEET THE DETECTIVES Daniel Kind isn’t your average Oxford historian. Passionate and charismatic, he’s a celebrity in the city of dreaming spires. Until he throws it all away to move to Brackdale, where his father served as a detective. His dad may be dead and gone. But something about the Lakes still calls to Daniel. Is this somewhere he can finally escape his demons? Daniel thinks so. But the past has a way of following wherever he goes . . . Fiery DCI Hannah Scarlett is smart, intuitive and ready to call out injustice wherever she finds it, even among her superiors. This straight-talking streak has earned her a demotion to Cumbria’s Cold Case team. A place where careers go to die? Detective Hannah’s determined not to let that happen—following in the footsteps of her beloved mentor, DI Ben Kind.