A brilliant high-concept debut thriller - just how do you solve a murder when you only remember yesterday?
'The thriller of the summer' - Observer
'Yap is a phenomenon' - Guardian
'The intrigue of Gone Girl and the drama of Before I Go to Sleep' - iNews
'So hotly tipped it should come with scorch marks... Quite literally mind-bending' - Red
Today, the police are at your door.
They say that the body of your husband's mistress has been found in the River Cam. They think your husband killed her two days ago.
You can't recall what he did that day, because you only remember yesterday.
You rely on your diary to tell you where you've been, who you love and what you've done.
So, can you trust the police?
Can you trust your husband?
Can you trust yourself?
Read MoreYap is a phenomenon - GuardianA 2017 literary event - NewsweekThe intrigue of Gone Girl and the drama of Before I Go to Sleep - iNewsA great murder mystery with a unique and unsettling twist. This book delighted and confounded me in equal measure! - James Oswald, author of NATURAL CAUSESFelicia Yap's YESTERDAY is a massively clever thriller that investigates our notions of memory and identity with a clear, unflinching eye - Richard SkinnerThis was an amazing book, very original and despite challenging the reader's suspension of disbelief it drew me in very quickly. Terrific to find a book that can be classed as a crime thriller yet stand out from the crowd. - Alex GrayThe most original thriller you'll read this year! A page turner you'll never forget. - James LawYESTERDAY is an original, inventive, gripping novel.