What if the woman who gave it to you was murdered by one of the people in the diary?
What if the police asked if you knew anything?
Would you hand over the book of secrets?
Or ... would you try to find out what everyone had done?
I Know What You've Done is the unputdownable thriller from the Queen of the Big Reveal.
"Koomson just gets better and better" Woman & Home
"An instantly involving psychological thriller" Daily Telegraph
"This is devastatingly good" Heat
"The suspense was on another level" Black Girls Book Club
"Written with verve and insight" Stylist
"We just couldn't put it down" Closer