Elli, age 2, during her time with Frits and Jo. Photo / NZ Woman's WeeklyElli, age 2, during her time with Frits and Jo. Photo / NZ Woman’s Weekly

Jo and Frits in Paekākāriki in 1969. Photo / NZ Woman's WeeklyJo and Frits in Paekākāriki in 1969. Photo / NZ Woman’s Weekly

Marcel and Gloria spent more than a decade searching for Elli. Photo / Hagen HopkinsMarcel and Gloria spent more than a decade searching for Elli. Photo / Hagen Hopkins

Elli arriving in NZ. Photo / NZ Woman's WeeklyElli arriving in NZ. Photo / NZ Woman’s Weekly

Marcel, a friend and Elli during her NZ trip. Photo / NZ Woman's WeeklyMarcel, a friend and Elli during her NZ trip. Photo / NZ Woman’s Weekly

Jo and Frits’ story has been brought to life in a new book, Saving Elli, by Doug Gold. Photo / Hagen HopkinsJo and Frits’ story has been brought to life in a new book, Saving Elli, by Doug Gold. Photo / Hagen Hopkins