Do you have any idea what the people you know are capable of?

Bestselling author Dorothy Koomson, asks how well you can really know your neighbors.

What if all your neighbors' secrets landed in a diary on your doorstep?
 
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.