Victor Koman’s Kings of the High Frontier, winner of the 1997 Prometheus Award, has just been reissued as a reasonable priced Kindle ebook ($5.95.)
We weren’t the only folks who liked it; see the Amazon page for endorsements from the likes of Gregory Benford and Ray Bradbury.

Koman is a three time winner of the Prometheus Award; more information at his official site.
IF YOU WANT TO KNOW MORE:
* Prometheus winners: For the full list of Prometheus winners, finalists and nominees – for the annual Best Novel and Best Classic Fiction (Hall of Fame) categories and occasional Special Awards – visit the enhanced Prometheus Awards page on the LFS website, which now includes convenient links to the full set of published appreciation-reviews of past winners.
* Read “The Libertarian History of Science Fiction,” an essay in the international magazine Quillette that favorably highlights the Prometheus Awards, the Libertarian Futurist Society and the significant element of libertarian sf/fantasy in the evolution of the modern genre.
* Watch videos of past Prometheus Awards ceremonies, Libertarian Futurist Society panel discussions with noted sf authors and leading libertarian writers, and other LFS programs on the Prometheus Blog’s Video page.