'A gripping story by a true rising star. Deborah Masson, I'll be watching you too...' PETER JAMES

'Chilling and impossible to put down.'

'Not for the faint hearted. I raced through it.'

'Very possibly the most original and memorable psychological fiction I have ever read.'

He sees everything.

As a CCTV operator, Casey can monitor the streets of Aberdeen and keep people safe, all from the comfort of his chair.

He knows your secrets.

You are one of his favourite people to follow. He keeps an eye on you even in your most private moments, when you think you're alone.

But now he wants more.

There's a reason he's learnt your routine like the back of his hand. Casey wants revenge. And when you know as much as he does, it's easy to take advantage...

'Utterly gripping, deliciously dark and achingly original.'

'Exquisitely crafted... highly recommended.'

'I didn't think Deborah Masson could get any better but this book delivered everything you could ask for and more.'

'Tense, twisted and visceral - a gut-punch of a thriller.' SUSI HOLLIDAY

'Dark and addictive.' CALLUM MCSORLEY

'It's not often that a book keeps me up all night, but this one did.' CARO RAMSEY

'A totally original thriller - you won't forget it.' EMMA CHRISTIE

'A compelling and creepy tale.' - LIN ANDERSON

'Utterly brilliant.' - MARION TODD

'Smart, dark and with jaw-dropping turns.' G.R HALLIDAY

'Compelling and deliciously twisted.' MORGAN CRY

'A proper page-turning thriller that showcases Scottish fiction in all its glory.' JONATHAN WHITELAW

'A dark fable for our time.' ALLAN MARTIN