The Nightingale is a historical fiction novel by American author Kristin Hannah published by St. Martin's Press in 2015. The book tells the story of two sisters in France during World War II and their struggle to survive and resist the German occupation of France. The book was inspired by the story of a Belgian woman, Andrée de Jongh, who helped downed Allied pilots escape Nazi territory.The Nightingale entered multiple bestseller lists upon release and as of 2021, has sold over 4.5 million copies worldwide and been published in 45 languages. Source: Wikipedia (en)