Each inspiring true story of a man or woman who answered God's call is a testimony to a real-life adventure of faith and determination. Braving danger and hardship, David Livingstone criss-crossed vast, uncharted regions of Africa to open new frontiers and spread the message of the gospel to all who would listen. (1813-1873) This best-selling, missionary biography series - Christian Heroes: Then & Now - chronicles the exciting, challenging, and deeply touching true stories of ordinary men and women whose trust in God accomplished extraordinary exploits for His kingdom and glory.