Conversation so far:
whats at the end of the yellow brick road
The Yellow brick road in the 1900 children's novel The Wonderful Wizard of Oz leads Dorothy to Emerald City.
who wrote the wonderful wizard of oz
The Wonderful Wizard of Oz is an American children's novel written by author L. Frank Baum.

Question: where else does the road appear
Self-contained rewrite: where else does the yellow brick road appear besides the wizard of oz