[Atria] INSTANT NEW YORK TIMES BESTSELLER “Brilliant, riveting, so beautifully written, impossible to put down.” —Louise Penny, #1 New York Times bestselling author Inspired by a true literary mystery, New York Times bestselling author of the mesmerizing The Secret Book of Flora Lea returns with the sweeping story of a legendary book, a lost mother, and a daughter’s search for them both. In 1927, eight-year-old Clara Harrington’s magical childhood shatters when her mother, renowned author, Bronwyn Newcastle Fordham, vanishes off the coast of South Carolina. Bronwyn stunned the world with a book written in an invented language that became a national sensation when she was just twelve years old. Her disappearance leaves behind not only a devoted husband and heartbroken daughter, but also the hope of ever translating the sequel to her landmark work. As the headlines focus on the missing author, Clara yearns for something far deeper and more insatiable: her beloved mother.