Downright irresistible, The Guest Room, a riveting psychological thriller debut about the secrets people hide and the lengths that one woman go in pursuit of her sister's killer and an insatiable thrill.The mysterious disappearance of Tess's sister, Rosie, leaves her grief-stricken and lonely. So she decides to rent out her sister's old room to guests and instantly develops a bad habit she can't seem to quit. Tess's addiction to snooping through her guests' belongings brings an intense adrenaline rush at the prospect of being caught, as she steals forbidden glimpses into the lives of strangers.Her newest lodger, Arran, keeps a salaciously detailed diary, which chronicles his infatuation with a beautiful stranger. But the deeper Tess dives into the pages, the more sinister and menacing his crush seems.Drawn to danger and determined to protect this mystery woman the way she couldn't protect Rosie, Tess watches Arran from the shadows of London street corners, searching for the object of his attraction. Yet she can't help but notice similarities between the woman in the diary and herself...The Guest Room is a compulsive, edge-of-your-seat thriller that will leave readers wondering "Who is truly watching whom?