Plenty of scholars have discussed interfaith relations in medieval Spain. What makes David Nirenberg's book distinctive is his emphasis on how each religion's self-image was shaped by its portrayal of the others.
C. S. Lewis placed the Christian story in the fantasy world of Narnia so that readers could encounter the story in a fresh way. Haverkamp uses Lewis’s Chronicles of Narnia so others might experience Advent in a fresh way. The book grew out of an Advent series Haverkamp presented at her Episcopal Church.
How easy it is for Christians to sing hymns without pondering the meaning of the texts. Howell encourages us to slow down and take notice. For each week of Advent, he provides meditations on the texts of Advent hymns and Christmas carols, including some secular songs, to prepare readers for the coming of Christmas and to ponder the meaning of the incarnation.