Isobel Kuhn questioned whether God even existed. Mary Slessor grew up in a slum with an alcoholic father. Joni Eareckson broke her neck during a diving accident and Corrie Ten Boom just lived with her family in a little watch shop in Harlaam, Holland. What is so special about these girls and how did they change their world? Isobel Kuhn believed in God and then obeyed his call to travel to Asia to tell the Lisu people about God. Mary...