Here's the cover art for the final StarDoc novel, Dream Called Time, book ten (to see a large version, click on the image.)
Made it to the last book of the series without a single unsightly cover in the bunch, too:
My only regret is that the publisher decided to change the cover design toward the end of the series to "update" it, as the last three covers don't mesh well with the first seven. But I also realize cover art styles and tastes change over the years and cohesion is not a top priority. Hardly anyone gets to write a SF series that spans a decade, either, so I think I'll just be happy and grateful that Cherijo was never depicted headless, semi-naked or dressed in hot pink DayGlo Spandex.