The third book in her series Diadem from the Stars is $1.99 at amazon.com
https://www.amazon.com/Irsud-Diadem-...rds=jo+clayton
It has not been the first book on sale, I only need the 4th and then I have the first 5.
I wonder why they do not re-print also the other 4, I bought some of the paper books long time ago, and I distinctly remember that the series consisted of 9 books, plus 3 extras.