Lisa and Lottie
Lisa and Lottie, published in the United Kingdom and Australia as The Parent Trap, (original German title: Das doppelte Lottchen, lit.: "The Double Lottie") is a 1949 German children's novel by Erich Kästner. The book is about identical twin girls whose parents separated them in infancy upon divorcing, only to reunite at a summer camp years later before switching places.