The Houseguest is a gripping psychological thriller about trust, manipulation, and the danger of letting the wrong person into your home. When a woman offers help to a stranger in need, a simple act of kindness quickly spirals into something far more unsettling. As the houseguest settles in, strange behavior and unsettling clues begin to surface, raising doubts about her true intentions. The line between guest and threat slowly blurs, filling the story with paranoia and fear. Secrets from the past begin to unravel, revealing motives no one saw coming. With fast pacing and relentless twists, Freida McFadden keeps readers guessing about who is lying and who is in danger. Dark, tense, and addictive, The Houseguest is perfect for fans of domestic thrillers where nothing—and no one—can be trusted.