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
Joy Adamson book of her paintings, "Joy Adamson's Africa", was published in 1972. She rehabilitated a cheetah and an African leopard. Pippa the cheetah was raised as a pet and given to Adamson at the age of seven months in hopes that she could also be released. Pippa had four litters before her death. Adamson wrote "The Spotted Sphinx" and "Pippa's Challenge" about Pippa and her cheetah family. Later, Adamson reached her goal of many years, when she obtained an African leopard cub. Penny was eight weeks old when a ranger acquaintance of George Adamson found her in 1976. Penny had a