Jewell, Lisa: - Lisa Jewell is the #1 New York Times bestselling author of nineteen novels, including The Family Upstairs and Then She Was Gone, as well as Invisible Girl and Watching You. Her novels have sold over 10 million copies internationally, and her work has also been translated into twenty-nine languages. Connect with her on Twitter @LisaJewellUK, on Instagram @LisaJewellUK, and on Facebook @LisaJewellOfficial.