C.S Lewis authored the fantasy series 'The Chronicles of Narnia', which began with the novel 'The Lion, the Witch and the Wardrobe'. The series contains seven novels in total. The Indian cricketer Yuvraj Singh wrote the memoir 'The Test of My Life' about his career and battle with cancer. The gesture of holding one's hand up with the palm facing outwards originated as a way to show that one's hand held no weapons.