Watching You by Lisa Jewell Lisa Jewell's Watching You (£9) takes the idea of obsession to chilling heights when a woman moves home after four years abroad and finds herself enthralled with an older man next door. As her crush becomes all-consuming, she's eventually forced to confront a terrifying question: what if she's not the only one who's obsessed? Image Source: waterstones.com Watching You £9 from waterstones.com Buy Now