Joy Adamson to a number of publishers before it was bought by Harvill Press, part of HarperCollins. Published in 1960, it became a bestseller, spending 13 weeks at the top of "The New York Times" Best Seller list and nearly a year on the chart overall. The success of the book was due to both the story of Elsa and the dozens of photographs of her. Readers had pictures of many of the events of Elsa's life leading up to her release. Subsequent books were also heavily illustrated. "Born Free" received largely favorable reviews from critics. Adamson worked closely with publishers to
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