The brand new edge-of-your-seat thriller from the author of the smash hit No.1 bestseller The Woman in the Window.

What did she see?

It’s been ten long months since Anna Fox last left her home. Ten months during which she has haunted the rooms of her old New York house like a ghost, lost in her memories, too terrified to step outside.

Anna’s lifeline to the real world is her window, where she sits day after day, watching her neighbours. When the Russells move in, Anna is instantly drawn to them. A picture-perfect family of three, they are an echo of the life that was once hers.

But one evening, a fren...