Space Viking by H. Beam Piper, Science Fiction, Adventure, Space Opera 12+

📕 Vengeance is a strange human motivation -- it can drive a man to do things which he neither would nor could achieve without it . . . and because of that it lies behind some of the greatest sagas of human literature!*After a galaxy-wide war had left the planetary federation in ruins, every surviving civilized world was on its own. And that was a perfect setup for the marauders from the far-out rim.Trask was one of those dreaded Space Vikings, a warrior spaceman with a crew and a ship that struck terror to a thousand worlds. But Trask had a special personal interest in scourging the stars -- he wanted to draw upon himself the fire of a certain enemy -- a renegade planet-wrecker with a yen for galactic empire building. . . .