"It's exceptionally accomplished... The structure is so dazzling it almost distracts you from the quality of the writing." - Guardian
"S J Watson's debut doesn't put a foot wrong... brilliantly simple... Unforgettable." - Financial Times Weekend
"Before I Go To Sleep is an astounding piece of work... a tour de force, a haunting tapestry woven from a single woman’s ragged thoughts, desperate to make sense of the past she constantly forgets... This is writing of the highest calibre." - Chris Simmons, crimesquad.com
"A taut and terrifying novel, with a grip of steel." - Woman & Home
"An unsettling, compulsive thriller... A truly gripping read." - Marie Claire
"Spectacular." - She
"Quite simply the best debut novel I've ever read." - Tess Gerritsen
"Brilliant in its pacing, profound in its central question, suspenseful on every page - and satisfying in its thriller ending." - Anita Shreve
"A deft, perceptive exploration of a fascinating neurological condition, and a cracking good thriller." - Lionel Shriver
"A terrific first novel - well-written, genuinely unsettling and psychologically very plausible. Thrillers seldom come much better than this. Loved it, read it in one." - Joanne Harris
"An exceptional thriller. It left my nerves jangling for hours after I finished the last page." - Dennis Lehane
"So high-concept, so ambitious and so structurally brilliant. It's so rare to read a thriller that's perfect in every detail, but this one definitely qualifies!" - Sophie Hannah
"A deeply unsettling debut that asks the most terrifying question - what do you have left when you lose yourself?" - Val McDermid
"A truly amazing debut. The central character, Christine, is beautifully drawn. It's hard to imagine a more compelling, believable and sympathetic portrayal of a damaged human being. I loved it from start to finish." - Mo Hayder
