Often the term foreshadowing is used of negative things, such as death, that are going to happen in a story. In the case of C.S. Lewis, he foreshadows many things, good and bad. Lewis is such a masterful storyteller that he plants many small seeds throughout a story, which later blossom into significance.
In The Horse and His Boy, there are many instances of foreshadowing of events big and small. I will discuss the foreshadowing of two major themes: the mystery of Shasta's origin, and the involvement of Aslan.
When Shasta is first introduced, it is this way:
... far south in Calormen on a little creek of the sea, there lived a poor fisherman called Arsheesh, and with him there lived a boy who called him Father.
Thus, right away we are notified that Shasta is apparently not Arsheesh's real son, but thinks he is.
Later in the same chapter, a visitor to Arsheesh points out (in a conversation on which Shasta eavesdrops) that Shasta cannot possibly be Arsheesh's son,...
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