'Born Free: A Lioness of Two Worlds' by Joy Adamson

Also by Joy Adamson:

'Living Free: The Story of Elsa and Her Cubs'

'Forever Free: Elsa's Pride'

By George Adamson (Joy's Husband):

My Pride and Joy

Films:

Born Free (1964) Starring Virginia McKenna and Bill Travers

Living Free (1972) Starring Susan Hampshire and Nigel Davenport

To Walk With Lions (???) Starring Richard Harris