Sequel to Boundary. Helen Sutter, A.J. Baker, and their friends head to the mysterious asteroid Ceres and the moons of Jupiter. The next 'gold rush' is on - for alien technology hidden in lost bases around the system. And there are people who will go to any lengths - even interplanetary war - to get it.
Novel, 423 pages, Mass Market Paperback, Reprint of 2010 HC