Star Rogue — Lin Carter

Star Rogue is set thousands of years in the future during the Great Imperium. The story follows Saul Everest, an immortal man living in seclusion, as he investigates a disturbance at the edge of the galaxy. Everest discovers a mysterious intruder near the galactic rim and gets pulled into a conspiracy to infiltrate the secret organization he founded long ago. As he works to uncover the truth, Everest crosses paths with dangerous enemies and unlikely allies.

Star Rogue is filled with spaceship battles and taut action scenes across exotic planets.