Fifty years of correspondence between a missionary in Africa and her family. Christine Helen Cheal 1905-1985] knew without a doubt that God had called her to be a missionary. In 1928, she pencilled a now faded note of promises to God and prayer requests she made while at the Keswick Convention: "I have asked of God, and received by faith, that He will preserve me from ever backsliding into a life apart from His choice for me; that He will...