C.S. Green is a pseudonym for Sunday Times and ebook bestseller Cass Green. Her first novel in the UCIT series, SLEEP TIGHT, was published in 2021 and THE WHISPER HOUSE is the second thriller featuring Detective Rose Gifford. She lives in London and also teaches creative writing classes at City University, and writes books for children under the name Caroline Green.

'The Whisper House is so clever and spooky – I absolutely flew through it! Rose Gifford is fast becoming one of my favourite characters ever and I can't wait to read the next instalment' SJI Holliday ‘An enthralling, multi-layered crime novel that fans of Peter James and Lisa Jewell will adore’ Mark Edwards ‘An expertly crafted, accurate police procedural, shot through with dark supernatural shades that are at times really unsettling…’Neil Lancaster‘Original, tense and exquisitely written, DC Rose Gifford has that unique formula of tender vulnerability and steely determination that makes her a true force to be reckoned with.’ Jane Isaac‘A detective series beautifully located at the intersection of police procedural and paranormal crime, The Whisper House is a page turning mystery, genuinely spooky but with genuine sympathy for its characters. A unique read’Sinead Crowley PRAISE FOR C S GREEN: ‘Eerie, original and compelling’ C.L. Taylor‘Tense and twisted’ Susi Holliday‘A brilliant, clever murder mystery’ Jane Casey‘Brilliant’ Jenny Blackhurst‘Unusual, intriguing and funny in places’ Sinead Crowley‘I read it one sitting, totally gripped’ Erin Kelly‘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 Lancaster‘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

C.S. Green is a pseudonym for Sunday Times and ebook bestseller Cass Green. Her first novel in the UCIT series, SLEEP TIGHT, was published in 2021 and THE WHISPER HOUSE is the second thriller featuring Detective Rose Gifford. She lives in London and also teaches creative writing classes at City University, and writes books for children under the name Caroline Green.

'The Whisper House is so clever and spooky – I absolutely flew through it! Rose Gifford is fast becoming one of my favourite characters ever and I can't wait to read the next instalment' SJI Holliday ‘An enthralling, multi-layered crime novel that fans of Peter James and Lisa Jewell will adore’ Mark Edwards ‘An expertly crafted, accurate police procedural, shot through with dark supernatural shades that are at times really unsettling…’Neil Lancaster‘Original, tense and exquisitely written, DC Rose Gifford has that unique formula of tender vulnerability and steely determination that makes her a true force to be reckoned with.’ Jane Isaac‘A detective series beautifully located at the intersection of police procedural and paranormal crime, The Whisper House is a page turning mystery, genuinely spooky but with genuine sympathy for its characters. A unique read’Sinead Crowley PRAISE FOR C S GREEN: ‘Eerie, original and compelling’ C.L. Taylor‘Tense and twisted’ Susi Holliday‘A brilliant, clever murder mystery’ Jane Casey‘Brilliant’ Jenny Blackhurst‘Unusual, intriguing and funny in places’ Sinead Crowley‘I read it one sitting, totally gripped’ Erin Kelly‘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 Lancaster‘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