C.S. Green is a pseudonym for Sunday Times and ebook bestseller Cass Green.

PRAISE FOR SLEEP TIGHT: ‘Eerie, original and compelling’ C.L. Taylor‘Tightly plotted, perfectly paced, and beautifully written, the story builds to a tense and terrifying conclusion. The introduction of a secret police department set up to solve crimes with a supernatural element is original and exciting’Amanda Jennings‘Brilliant’ Jenny Blackhurst‘Pulse-pounding’ Caroline Mitchell‘This locked door mystery had me hooked from the first page, and the creeping intensity builds to a heart-racing finish’ Rachael Blok‘Caroline is one talented author’ Chris McDonald ‘Loved this genre-blending, original page turner’ Niki Mackay'A smart police procedural with an unnerving supernatural spin, Sleep Tight promises great things for CS Green's new series and introduces an intriguing and complex lead' Eva Dolan‘A refreshingly original thriller. Beautifully written and deliciously creepy, Sleep Tight hooked me from the very first line’ Sarah Stovell‘Creepy, intriguing and a total page turner’ Michelle Davies ‘Rose Gifford is as brilliant a character as Susie Steiner’s Manon’ Louise Voss'A classy police procedural with gritty characters and a delicious paranormal edge' Jane Isaac‘A gripping, fascinating and tense novel’ Neil LancasterA great premise, complex characters and a supernatural twist. If you’ve ever had trouble sleeping, you’ll be totally gripped’ Paul Burston‘A pacy police procedural with a sprinkling of the supernatural and a likeable heroine—what’s not to love?’ Lisa Gray‘It’s rare to find a truly original police procedural, but here it is! Eerie and tense, a locked-room mystery leads us into a world of supernatural crime detection’ Jo Furniss‘The perfect blend of crime, thriller and supernatural’ Sam Carrington

C.S. Green is a pseudonym for Sunday Times and ebook bestseller Cass Green.

PRAISE FOR SLEEP TIGHT: ‘Eerie, original and compelling’ C.L. Taylor‘Tightly plotted, perfectly paced, and beautifully written, the story builds to a tense and terrifying conclusion. The introduction of a secret police department set up to solve crimes with a supernatural element is original and exciting’Amanda Jennings‘Brilliant’ Jenny Blackhurst‘Pulse-pounding’ Caroline Mitchell‘This locked door mystery had me hooked from the first page, and the creeping intensity builds to a heart-racing finish’ Rachael Blok‘Caroline is one talented author’ Chris McDonald ‘Loved this genre-blending, original page turner’ Niki Mackay'A smart police procedural with an unnerving supernatural spin, Sleep Tight promises great things for CS Green's new series and introduces an intriguing and complex lead' Eva Dolan‘A refreshingly original thriller. Beautifully written and deliciously creepy, Sleep Tight hooked me from the very first line’ Sarah Stovell‘Creepy, intriguing and a total page turner’ Michelle Davies ‘Rose Gifford is as brilliant a character as Susie Steiner’s Manon’ Louise Voss'A classy police procedural with gritty characters and a delicious paranormal edge' Jane Isaac‘A gripping, fascinating and tense novel’ Neil LancasterA great premise, complex characters and a supernatural twist. If you’ve ever had trouble sleeping, you’ll be totally gripped’ Paul Burston‘A pacy police procedural with a sprinkling of the supernatural and a likeable heroine—what’s not to love?’ Lisa Gray‘It’s rare to find a truly original police procedural, but here it is! Eerie and tense, a locked-room mystery leads us into a world of supernatural crime detection’ Jo Furniss‘The perfect blend of crime, thriller and supernatural’ Sam Carrington