Andre Norton

Moon of Three Rings: It is the time of the Moon of the Three Rings when the Free Trader ship Lydis lands on the primitive world of Yiktor, a world the Combine was seeking to control for the power the Three Rings would bring them. The life of a Free Trader was all junior crew member Krip Vorlund knew. That life ended …

Atlantis endgame is a book published in 2002 that was written by Andre Norton and Sherwood Smith.