Flame-Jewel of the Ancients

A science fiction novel written in the mid-20th century. The story unfolds in a distant future where powerful interstellar empires clash, centering on the mysterious and powerful jewel that could change the balance of power in the galaxy. The main character, Captain Glayne of the Stellar Guardians, faces a dire situation involving the formidable Delban Empire and their new weapons that threaten the