"Iris Chang's best-selling book The Rape of Nanking forever changed the way we view the Second World War in Asia. It all began with a photo of a river choked with the bodies of hundreds of Chinese civilians that shook Iris to her core. Who were these people? Why had this happened and how could their story have been lost to history? She could not shake that image from her head. She could not forget what she had seen. A few short years later, Chang...