The Chronicles of Narnia (although we do not learn their surname until "The Voyage of the Dawn Treader"), and eventually become Kings and Queens of Narnia reigning as a tetrarchy. Although introduced in the series as children, the siblings grow up into adults while reigning in Narnia. They go back to being children once they get back to their own world, but feature as adults in "The Horse and His Boy" during their Narnian reign. All four appear in "The Lion, the Witch, and the Wardrobe" and "Prince Caspian"; in the latter, however, Aslan tells Peter and Susan that they will not return, as
The Chronicles of Narnia "The Chronicles of Narnia" by fellow children's author Roger Lancelyn Green in March 1951, after he had read and discussed with Lewis his recently completed fourth book "The Silver Chair", originally entitled "Night under Narnia". Lewis described the origin of "The Lion, the Witch and the Wardrobe" in an essay entitled "It All Began with a Picture": Shortly before the start of World War II, many children were evacuated to the English countryside in anticipation of attacks on London and other major urban areas by Nazi Germany. As a result, on 2 September 1939, three school girls named Margaret, Mary