In 1957 freshly qualified nurse and WEC missionary Lily Gaynor set sail for Guinea-Bissau, to live among the Papel tribe. Tuberculosis, malaria, and typhoid were rife. Children were grossly malnourished; witch doctors flourished. Lily set up a clinic under the mango trees, administering penicillin ('God's needle'). Medical care didn't stop there: pigs, cows, rabbits and hens all passed through Lily's hands. Many villagers suffered agonizing toothache:...