Spheres of Heaven

Spacer Chan Dalton is torn between two masters. The pacifist aliens who hold Earth under Quarantine want him to find out why their starships have been disappearing in the Geyser Swirl, the Bermuda Triangle of the galaxy. Earth''s military, which has secretly discovered a way to break the quarantine, assumes that someone out there is making ships vanish, including Earth''s, and wants Dalton to find...