The Cold Sword of Ronar

From Author Wars - https://authorwars.com/books/the-cold-sword-of-ronar-1982030.html

Overview:

Title: The Cold Sword of Ronar
Author: Joe Bergeron
Year: 2011
Type: Novels
Series: Endurian Universe
Number in Series: 9

Variant Titles:

2016. The Astronomer Who Gave Back a Crown

Editions/Publications:

2011 . The Cold Sword of Ronar (2011, Joe Bergeron, Endurian Press, $2.99, ebook, Novel)