Need To Know: 'You won't be able to put it down!' Shari Lapena, author of THE COUPLE NEXT DOOR

Married for ten years. Four children. She thought she knew her husband better than anyone. She was wrong. You get to work. Make a coffee. Turn on your computer. Your task: break into a Russian criminal's laptop and find proof that he's concealing five deep-cover agents - seemingly normal people living in plain sight. You're in. Five faces stare back at you. One of them is your husband. `Heart-poundingly suspenseful and heart-wrenchingly insightful' J. P. DELANEY, bestselling author of The Girl Before `An immensely satisfying story with serpentine twists and turns' Daily Mail `This compulsive, clever thriller will have you reading long into the night' Red