 Lewis began "The Magician's Nephew" soon after completing "The Lion, the Witch and the Wardrobe", spurred by a friend's question about the lamp-post in the middle of nowhere, but he needed more than five years to complete it.The story includes several autobiographical elements and explores a number of themes with general moral and Christian implications, including atonement, original sin, temptation and the order of nature.The story begins in London during the summer of 1900.