Ben
Ben asked Sue Burke:

This question contains spoilers… (view spoiler)

Sue Burke Hi Ben,
Yes, I see now I missed the chance for a good plot twist.
The Glassmakers left because they were failing to thrive and hoped that returning to their nomadic lifestyle would solve the problem. If they had hung on a little longer, Stevland would have figured out how to help them, but they didn't know that, and they didn't understand him well enough even to say goodbye. Besides that, nomadic life didn't solve the problem.
But now that you mention it, I could have made it more dramatic....

About Goodreads Q&A

Ask and answer questions about books!

You can pose questions to the Goodreads community with Reader Q&A, or ask your favorite author a question with Ask the Author.

See Featured Authors Answering Questions

Learn more