Discover the haunting and deeply chilling debut thriller which has now sold more than six million copies worldwide.Memories define us.So what if you lost yours every time you went to sleep? Your name, your identity, your past, even the people you love all forgotten overnight. And the one person you trust may only be telling you half the story.Welcome to Christines life.PRAISE FOR BEFORE I GO TO SLEEPA cracking good thriller Lionel ShriverThrillers seldom come much better than this. Loved it Joanne HarrisSo highconcept, so ambitious and so structurally brilliant Sophie HannahA deeply unsettling debut that asks the most terrifying question what do you have left when you lose yourself? Val McDermidI loved it from start to finish Mo HayderBrilliant in its pacing, profound in its central question, suspenseful on every page Anita ShreveQuite simply the best debut novel Ive ever read Tess Gerritsen

Binding: Paperback;384 pages; Publisher: TBS-Penguin Random House Wholesale; Classification: FA; Weight: 388 g; Dimensions: 193 x 123 x 24

Something not quite right? You have 21 days from the day you receive it, to send something back.

Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.

Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.

Click here to view our full Returns Policy.