The Poison Tree - the addictive , twisty debut psychological thriller from the million-copy bestselling author

By the end of that summer, two people would be dead... Fans of In A Dark Dark Wood and The Couple Next Door will love this twisty thriller.

I have given up so much and done so many terrible things already for the sake of my family that I can only keep going.

I do not know what is going to happen to us.

I am frightened, but I feel strong.

I have the strength of a woman who has everything to lose.

In the sweltering summer of 1997, strait-laced, straight-A student Karen met Biba - a bohemian and impossibly glamorous aspiring actress.

She was quickly drawn into Biba''s world, and for a while life was one long summer of love.

But every summer must end. By the end of theirs, two people were dead - and now Karen''s past has come back to haunt her . . .