Author: Zohra NabiInterest age: from c 9 yearsPublished on 9 April 2026 by Simon & Schuster Ltd in the United Kingdom as part of 'the A Cassia Thorne Mystery' series.Paperback | 336 pages197 x 131 x 23 | 244g The spooky sequel to Deep Dark, the Times Children's Book of the Week from enchanting storyteller Zohra Nabi comes another Cassia Thorne Mystery – this is Enola Holmes with a supernatural twist!She held up the hagstone and she noticed something strange – a shimmering light like tiny clustered constellations. It was as though there were something illuminating from the girls. Cassia Thorne uncovered a conspiracy in the deep dark underbelly of London involving a mythical beast, but has been whisked away by her uncle to Ravening Hall, a bleak boarding school on the moors of Lancashire. Far away from everything she has known, Cassia struggles to find a place amongst the girls of the school – torn between fitting in with the perfect prefects and the rebellious and wild Martha Torrent. And something sinister happening at the school. At night there is a strange presence in Cassia’s room, growing stronger with each day. She spies older girls wandering out onto the moors at night. And the local children are terrified of a child-eating witch that haunts Pendle Hill. Suspecting another supernatural mystery, Cassia begins to investigate. Are the stories about the witches of Pendle Hill true? And what do they want with the girls of Ravening Hall?Praise for Deep Dark: 'This book is stunning – Zohra Nabi writes like a dream and has achieved the impossible by conjuring up a living, breathing Victorian London right before my eyes. I felt like I was right there with Cassia while reading it, magic sparkling around us.' – Natasha Hastings, author of The Miraculous Sweetmakers ‘A spine-tingling, Dickensian adventure.’ – The Bookseller 'Meticulously researched and sparklingly written, with an irresistible heroine.' – The Guardian ‘An atmospheric adventure with a wonderfully engaging heroine – this richly evocative story will sweep you away to the streets of 19th century London.’ – Katherine Woodfine, author of The Clockwork Sparrow
