Intergalactic athletic competition had just begun, and Ty Vann didn't even know about it when fast-talking trader Barnum Winkle found him herding sheep on the high-gravity planet Permai. But :Wink and " knew Ty would make a discus thrower - maybe the best in the galaxy.Once aboard Wink's ship the Clust Queen, Ty is on the way to high adventure among the stars - on the water-covered planet Oceanos, where the strange underwater life offers stranger perils, and on the planet Arcadia, site of the Olympics, where Ty must compete not only with the other athletes - but with mortal danger.