Born Free: A New Adventure teach the lioness how to survive in the wild. In 1960, Joy Adamson published a book called "Born Free", based on her (and her husband, George Adamson) experience raising the lioness Elsa. The book was followed by two others, "Living Free" (1961) and "Forever Free" (1963). In 1966, the first book was adapted into a movie. The film was a commercial and critical success, leading to a 1969 documentary called "The Lions are Free" and then a sequel, released in 1972 and based on the third book, but using the name of the second book. In 1974, the NBC did
Mara the Lioness to the Animal Orphanage, however the Board of Trustees of the Kenya National Parks became concerned regarding in the increase in the number of adoptees. They requested that Mara, Ugas and three younger lionesses be relocated to Whipsnade Park. The Grindlays, who maintained responsibility for Mara, eventually agreed to release Mara into the care of Whipsnade. While waiting to go to Whipsnade, reports surfaced that Ugas, Mara and three other lionesses were to be rehabilitated by George and Joy Adamson. The proposed experiment was heavily protested. The Grindlays were opposed to the idea because Mara's behaviour was that of a