The Last Unicorn: The Lost Journey by Peter S. Beagle

The original draft. Interesting for people who want to see how things can change. It's a dragon that tells her she's the last in the world, at that, and her interactions with the butterfly seem to convey more. (Hard to tell, it's incomplete.)

I think the plot and characters did not jell as well, partly because some elements in incongruous. But it has charming moments that had to go