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In page Joy Adamson:

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A 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 litter of two cubs before the publication of Queen of Shaba, Adamson's posthumous and final book.[citation needed]