(All photos in this post are courtesy of Martin Pistorius.) by Sally Matheny   In 2015, I wrote a book review of Ghost Boy,  written by Martin Pistorius. Gems of his remarkable life story nestled in my mind. One facet that continued to shine was how faith, hope, and love grew when he met his wife, Joanna. It made such an impression that I hoped to talk with her one day. She and Martin were on a book signing tour in Norway when I caught up with them. Joanna graciously agreed to talk with me when they returned home to England. If you have not read Ghost Boy yet, Martin…