In My Family Tree: A Life with Chimpanzees

Sheila Siddle's life was changed forever one fateful day in 1983 when a local game ranger brought a battered, malnourished chimpanzee to the door of her cattle ranch in central Zambia and asked her to do whatever she could to save it. As Sheila and her husband nursed it back to health, they treated the young chimp they would name Pal as if he were a human infant — feeding him medicine and bottled milk, sharing their bed with him at night, and carrying him on their backs until he regained th...