Rosamund Lupton is a British author known for her gripping psychological thrillers. She gained recognition with her debut novel, Sister, which was published in 2010 and became a bestseller. Lupton's writing often explores themes of family, love, and the complexities of human relationships. In addition to Sister, Lupton has written several other novels, including Afterwards and The Quality of Silence. Her works have been translated into multiple languages, earning her a global readership. Lupton's storytelling is characterized by suspenseful plots and well-developed characters, making her a notable figure in contemporary fiction.