Beneath the Black Crescent - Atlas Cycle, #2

The founding of the Arena Under the Hill marked the end of open warfare between the clans of Tokyo2. With peace came prosperity, and the city has grown into the largest metropolis on the space station Atlas. Betrix Farmer gave up the Arena when she left for New Lexington. Now an unexpected debt, to an old enemy, will drive her back into the ring. The stakes are high, but success would mean a fresh start for this former champion and the boy in her care.
Betrix is not the only one returning to the dome. The reporter Kate roams the city stirring up trouble, and the twin brothers have settled on the outskirts, bringing troubles of their own. The man everyone's hunting, Julian Reeves, is no longer bound for Tokyo2, but the decision of where to go may not be his to make